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class="vector-toc-link" href="#Innervation"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Innervation</span> </div> </a> <ul id="toc-Innervation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Relations" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Relations"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Relations</span> </div> </a> <ul id="toc-Relations-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Variations" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Variations"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>Variations</span> </div> </a> <ul id="toc-Variations-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Function" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Function"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Function</span> </div> </a> <ul id="toc-Function-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Pectoralis minor</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 32 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-32" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">32 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D8%B6%D9%84%D8%A9_%D8%B5%D8%AF%D8%B1%D9%8A%D8%A9_%D8%B5%D8%BA%D9%8A%D8%B1%D8%A9" title="عضلة صدرية صغيرة – Arabic" lang="ar" hreflang="ar" data-title="عضلة صدرية صغيرة" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D1%8A%D0%BA_%D0%B3%D1%80%D1%8A%D0%B4%D0%B5%D0%BD_%D0%BC%D1%83%D1%81%D0%BA%D1%83%D0%BB" title="Малък гръден мускул – Bulgarian" lang="bg" hreflang="bg" data-title="Малък гръден мускул" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/M%C3%BAscul_pectoral_menor" title="Múscul pectoral menor – Catalan" lang="ca" hreflang="ca" data-title="Múscul pectoral menor" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Prsn%C3%AD_svaly" title="Prsní svaly – Czech" lang="cs" hreflang="cs" data-title="Prsní svaly" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Pectoralis_minor" title="Pectoralis minor – Danish" lang="da" hreflang="da" data-title="Pectoralis minor" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Musculus_pectoralis_minor" title="Musculus pectoralis minor – German" lang="de" hreflang="de" data-title="Musculus pectoralis minor" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/M%C3%BAsculo_pectoral_menor" title="Músculo pectoral menor – Spanish" lang="es" hreflang="es" data-title="Músculo pectoral menor" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Bular-muskulu_txiki" title="Bular-muskulu txiki – Basque" lang="eu" hreflang="eu" data-title="Bular-muskulu txiki" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%D8%A7%D9%87%DB%8C%DA%86%D9%87_%D8%B3%DB%8C%D9%86%D9%87%E2%80%8C%D8%A7%DB%8C_%DA%A9%D9%88%DA%86%DA%A9" title="ماهیچه سینه‌ای کوچک – Persian" lang="fa" hreflang="fa" data-title="ماهیچه سینه‌ای کوچک" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Muscle_petit_pectoral" title="Muscle petit pectoral – French" lang="fr" hreflang="fr" data-title="Muscle petit pectoral" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/M%C3%BAsculo_pectoral_menor" title="Músculo pectoral menor – Galician" lang="gl" hreflang="gl" data-title="Músculo pectoral menor" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9E%91%EC%9D%80%EA%B0%80%EC%8A%B4%EA%B7%BC" title="작은가슴근 – Korean" lang="ko" hreflang="ko" data-title="작은가슴근" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B2%E0%A4%98%E0%A5%81_%E0%A4%B5%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A4%9A%E0%A5%8D%E0%A4%9B%E0%A4%A6%E0%A4%BF%E0%A4%95%E0%A4%BE" title="लघु वक्षच्छदिका – Hindi" lang="hi" hreflang="hi" data-title="लघु वक्षच्छदिका" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Mali_prsni_mi%C5%A1i%C4%87" title="Mali prsni mišić – Croatian" lang="hr" hreflang="hr" data-title="Mali prsni mišić" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Otot_pectoralis_minor" title="Otot pectoralis minor – Indonesian" lang="id" hreflang="id" data-title="Otot pectoralis minor" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Muscolo_piccolo_pettorale" title="Muscolo piccolo pettorale – Italian" lang="it" hreflang="it" data-title="Muscolo piccolo pettorale" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A9%D7%A8%D7%99%D7%A8_%D7%94%D7%97%D7%96%D7%94_%D7%94%D7%A7%D7%98%D7%9F" title="שריר החזה הקטן – Hebrew" lang="he" hreflang="he" data-title="שריר החזה הקטן" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Musculus_pectoralis_minor" title="Musculus pectoralis minor – Latin" lang="la" hreflang="la" data-title="Musculus pectoralis minor" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Kis_mellizom" title="Kis mellizom – Hungarian" lang="hu" hreflang="hu" data-title="Kis mellizom" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Musculus_pectoralis_minor" title="Musculus pectoralis minor – Dutch" lang="nl" hreflang="nl" data-title="Musculus pectoralis minor" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%B0%8F%E8%83%B8%E7%AD%8B" title="小胸筋 – Japanese" lang="ja" hreflang="ja" data-title="小胸筋" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Den_vesle_brystmuskelen" title="Den vesle brystmuskelen – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Den vesle brystmuskelen" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Kichik_ko%CA%BBkrak_muskuli" title="Kichik koʻkrak muskuli – Uzbek" lang="uz" hreflang="uz" data-title="Kichik koʻkrak muskuli" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Mi%C4%99sie%C5%84_piersiowy_mniejszy" title="Mięsień piersiowy mniejszy – Polish" lang="pl" hreflang="pl" data-title="Mięsień piersiowy mniejszy" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/M%C3%BAsculo_peitoral_menor" title="Músculo peitoral menor – Portuguese" lang="pt" hreflang="pt" data-title="Músculo peitoral menor" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D0%B0%D1%8F_%D0%B3%D1%80%D1%83%D0%B4%D0%BD%D0%B0%D1%8F_%D0%BC%D1%8B%D1%88%D1%86%D0%B0" title="Малая грудная мышца – Russian" lang="ru" hreflang="ru" data-title="Малая грудная мышца" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Mal%C3%BD_prsn%C3%BD_sval" title="Malý prsný sval – Slovak" lang="sk" hreflang="sk" data-title="Malý prsný sval" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Mala_prsna_mi%C5%A1ica" title="Mala prsna mišica – Slovenian" lang="sl" hreflang="sl" data-title="Mala prsna mišica" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Mali_prsni_mi%C5%A1i%C4%87" title="Mali prsni mišić – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Mali prsni mišić" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Pectoralis_minor" title="Pectoralis minor – Swedish" lang="sv" hreflang="sv" data-title="Pectoralis minor" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Mas_maliit_na_kalamnang_pandibdib" title="Mas maliit na kalamnang pandibdib – Tagalog" lang="tl" 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.infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above" style="background-color:antiquewhite">Pectoralis minor</th></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Pectoralis_minor.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/Pectoralis_minor.svg/250px-Pectoralis_minor.svg.png" decoding="async" width="250" height="250" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/Pectoralis_minor.svg/375px-Pectoralis_minor.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/97/Pectoralis_minor.svg/500px-Pectoralis_minor.svg.png 2x" data-file-width="478" data-file-height="478" /></a></span><div class="infobox-caption">Pectoralis minor (shown in red).</div></td></tr><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Pectoralis_minor_muscle_and_shoulder_blade.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Pectoralis_minor_muscle_and_shoulder_blade.png/250px-Pectoralis_minor_muscle_and_shoulder_blade.png" decoding="async" width="250" height="191" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Pectoralis_minor_muscle_and_shoulder_blade.png/375px-Pectoralis_minor_muscle_and_shoulder_blade.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/75/Pectoralis_minor_muscle_and_shoulder_blade.png/500px-Pectoralis_minor_muscle_and_shoulder_blade.png 2x" data-file-width="1139" data-file-height="869" /></a></span><div class="infobox-caption">Pectoralis minor muscle (shown in red). The bone shown in blue is the <a href="/wiki/Shoulder_blade" class="mw-redirect" title="Shoulder blade">shoulder blade</a>.</div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #efefef">Details</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Anatomical_terms_of_muscle#Insertion_and_origin" title="Anatomical terms of muscle">Origin</a></th><td class="infobox-data">Third to fifth <a href="/wiki/Rib" title="Rib">ribs</a>, near the costochondral junction</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Anatomical_terms_of_muscle#Insertion_and_origin" title="Anatomical terms of muscle">Insertion</a></th><td class="infobox-data">Medial border and superior surface of the <a href="/wiki/Coracoid_process" title="Coracoid process">coracoid process</a> of the <a href="/wiki/Scapula" title="Scapula">scapula</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Artery" title="Artery">Artery</a></th><td class="infobox-data"><a href="/wiki/Pectoral_branch" class="mw-redirect" title="Pectoral branch">Pectoral branch</a> of the <a href="/wiki/Thoracoacromial_trunk" class="mw-redirect" title="Thoracoacromial trunk">thoracoacromial trunk</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Nerve" title="Nerve">Nerve</a></th><td class="infobox-data"><a href="/wiki/Medial_pectoral_nerve" title="Medial pectoral nerve">Medial pectoral nerve</a> (C8)</td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Anatomical_terms_of_motion" title="Anatomical terms of motion">Actions</a></th><td class="infobox-data">Stabilizes the <a href="/wiki/Scapula" title="Scapula">scapula</a> by drawing it inferiorly and anteriorly against the <a href="/wiki/Thoracic_wall" title="Thoracic wall">thoracic wall</a>, raises ribs in inhalation</td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #efefef">Identifiers</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Latin" title="Latin">Latin</a></th><td class="infobox-data"><i>musculus pectoralis minor</i></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Terminologia_Anatomica" title="Terminologia Anatomica">TA98</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://ifaa.unifr.ch/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/04.4.01.006%20Entity%20TA98%20EN.htm">A04.4.01.006</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Terminologia_Anatomica" title="Terminologia Anatomica">TA2</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://ta2viewer.openanatomy.org/?id=2305">2305</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Foundational_Model_of_Anatomy" title="Foundational Model of Anatomy">FMA</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://bioportal.bioontology.org/ontologies/FMA/?p=classes&conceptid=http%3A%2F%2Fpurl.org%2Fsig%2Font%2Ffma%2Ffma13109">13109</a></td></tr><tr><td colspan="2" class="infobox-below"><a href="/wiki/Anatomical_terms_of_muscle" title="Anatomical terms of muscle">Anatomical terms of muscle</a><div style="text-align: right;"><small class="noprint">[<a href="https://www.wikidata.org/wiki/Q757083" class="extiw" title="d:Q757083">edit on Wikidata</a>]</small></div></td></tr></tbody></table> <p><b>Pectoralis minor muscle</b> (<span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="/ˌ/: secondary stress follows">ˌ</span><span title="'p' in 'pie'">p</span><span title="/ɛ/: 'e' in 'dress'">ɛ</span><span title="'k' in 'kind'">k</span><span title="'t' in 'tie'">t</span><span title="/ə/: 'a' in 'about'">ə</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'r' in 'rye'">r</span><span title="/æ/: 'a' in 'bad'">æ</span><span title="'l' in 'lie'">l</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="'s' in 'sigh'">s</span></span><span class="wrap"> </span><span style="border-bottom:1px dotted"><span title="/ˈ/: primary stress follows">ˈ</span><span title="'m' in 'my'">m</span><span title="/aɪ/: 'i' in 'tide'">aɪ</span><span title="'n' in 'nigh'">n</span><span title="/ər/: 'er' in 'letter'">ər</span></span>/</a></span></span>) is a thin, triangular muscle, situated at the upper part of the <a href="/wiki/Chest" class="mw-redirect" title="Chest">chest</a>, beneath the <a href="/wiki/Pectoralis_major" title="Pectoralis major">pectoralis major</a> in the human body. It arises from ribs III-V; it inserts onto the <a href="/wiki/Coracoid_process" title="Coracoid process">coracoid process</a> of the <a href="/wiki/Scapula" title="Scapula">scapula</a>. It is innervated by the <a href="/wiki/Medial_pectoral_nerve" title="Medial pectoral nerve">medial pectoral nerve</a>. Its function is to stabilise the <a href="/wiki/Scapula" title="Scapula">scapula</a> by holding it fast in position against the <a href="/wiki/Thoracic_wall" title="Thoracic wall">chest wall</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Structure">Structure</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=1" title="Edit section: Structure"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Attachments">Attachments</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=2" title="Edit section: Attachments"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>From the muscle's origin, the muscle's fibers pass superiorly and laterally, converging to form a flat tendon. </p> <div class="mw-heading mw-heading4"><h4 id="Origin">Origin</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=3" title="Edit section: Origin"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Pectoralis minor muscle arises from the upper margins and outer surfaces of the 3rd, 4th, and 5th <a href="/wiki/Rib" title="Rib">ribs</a> near their <a href="/wiki/Costal_cartilages" class="mw-redirect" title="Costal cartilages">costal cartilages</a>, and from the <a href="/wiki/Aponeurosis" title="Aponeurosis">aponeuroses</a> covering the <a href="/wiki/External_intercostal_muscles" title="External intercostal muscles">intercostalis</a>.<sup id="cite_ref-:0_1-0" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading4"><h4 id="Insertion">Insertion</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=4" title="Edit section: Insertion"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Its tendon inserts onto the medial border and upper surface of the <a href="/wiki/Coracoid_process" title="Coracoid process">coracoid process</a> of the <a href="/wiki/Scapula" title="Scapula">scapula</a>.<sup id="cite_ref-:0_1-1" class="reference"><a href="#cite_note-:0-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Innervation">Innervation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=5" title="Edit section: Innervation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The muscle receives motor innervation from the <a href="/wiki/Medial_pectoral_nerve" title="Medial pectoral nerve">medial pectoral nerve</a>.<sup id="cite_ref-:02_3-0" class="reference"><a href="#cite_note-:02-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Relations">Relations</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=6" title="Edit section: Relations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Pectoralis minor muscle forms part of the anterior wall of the <a href="/wiki/Axilla" title="Axilla">axilla</a>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> It is covered anteriorly (superficially) by the <a href="/wiki/Clavipectoral_fascia" title="Clavipectoral fascia">clavipectoral fascia</a>. The <a href="/wiki/Medial_pectoral_nerve" title="Medial pectoral nerve">medial pectoral nerve</a> pierces the pectoralis minor and the clavipectoral fascia. In attaching to the coracoid process, the pectoralis minor forms a 'bridge' - structures passing into the upper limb from the thorax will pass directly underneath.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/Axillary_lymph_nodes" title="Axillary lymph nodes">Axillary nodes</a> are classified according to their positions relative to the pectoralis minor muscle. Level 1 are lateral, Level 2 are deep, Level 3 are medial. The pectoralis minor divides the axillary artery into three parts<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> (in contrary sequence compared to the nodes) - first part medial, second part deep/posterior, third part lateral in relation to the pectoralis minor. </p> <div class="mw-heading mw-heading3"><h3 id="Variations">Variations</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=7" title="Edit section: Variations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Braus_1921_137.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Braus_1921_137.png/220px-Braus_1921_137.png" decoding="async" width="220" height="127" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Braus_1921_137.png/330px-Braus_1921_137.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Braus_1921_137.png/440px-Braus_1921_137.png 2x" data-file-width="978" data-file-height="564" /></a><figcaption>An individual with an axillary arch as well as <a href="/wiki/Sternalis" class="mw-redirect" title="Sternalis">sternalis</a> muscle and an accessory abdominal portion of the <a href="/wiki/Pectoralis_major" title="Pectoralis major">pectoralis major</a>.</figcaption></figure> <p>The origin is from the second, third and fourth or fifth ribs. The tendon of insertion may extend over the coracoid process to the greater tubercle. It may be split into several parts. Absence of this muscle is rare but happens with certain uncommon diseases, such as the <a href="/wiki/Poland_syndrome" title="Poland syndrome">Poland syndrome</a>.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Function">Function</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=8" title="Edit section: Function"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Pectoralis minor muscle <a href="/wiki/Depression_(kinesiology)" class="mw-redirect" title="Depression (kinesiology)">depresses</a> the point of the <a href="/wiki/Shoulder" title="Shoulder">shoulder</a>, drawing the <a href="/wiki/Scapula" title="Scapula">scapula</a> superior, towards the <a href="/wiki/Thorax" title="Thorax">thorax</a>, and throwing its <a href="/wiki/Inferior_angle" class="mw-redirect" title="Inferior angle">inferior angle</a> posteriorly. </p><p><br /> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=9" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Pectoralis_minor_syndrome" title="Pectoralis minor syndrome">Pectoralis minor syndrome</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=10" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><span class="noviewer" typeof="mw:File"><span><img alt="Public domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> <i>This article incorporates text in the <a href="/wiki/Public_domain" title="Public domain">public domain</a> from <a rel="nofollow" class="external text" href="https://archive.org/stream/anatomyofhumanbo1918gray#page/438/mode/2up">page 438</a> of the 20th edition of</i> <a href="/wiki/Gray%27s_Anatomy" title="Gray's Anatomy">Gray's Anatomy</a> <i>(1918)</i> </p> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-:0-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-:0_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-:0_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFDommerholt2011" class="citation book cs1">Dommerholt, Jan (2011). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/pii/B9780702035289000340">"Chapter 34 - Dry needling of trigger points"</a>. <i>Neck and Arm Pain Syndromes</i>. <a href="/wiki/Churchill_Livingstone" title="Churchill Livingstone">Churchill Livingstone</a>. pp. <span class="nowrap">430–</span>438. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2FB978-0-7020-3528-9.00034-0">10.1016/B978-0-7020-3528-9.00034-0</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a 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(2008-01-01). <a rel="nofollow" class="external text" href="https://www.sciencedirect.com/science/article/pii/B9780443103735500051">"Chapter 2 - Upper Limb"</a>. <i>Human Anatomy</i>. <a href="/wiki/Churchill_Livingstone" title="Churchill Livingstone">Churchill Livingstone</a>. pp. <span class="nowrap">5–</span>49. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-443-10373-5" title="Special:BookSources/978-0-443-10373-5"><bdi>978-0-443-10373-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Chapter+2+-+Upper+Limb&rft.btitle=Human+Anatomy&rft.pages=%3Cspan+class%3D%22nowrap%22%3E5-%3C%2Fspan%3E49&rft.pub=Churchill+Livingstone&rft.date=2008-01-01&rft.isbn=978-0-443-10373-5&rft.aulast=Jacob&rft.aufirst=S.&rft_id=https%3A%2F%2Fwww.sciencedirect.com%2Fscience%2Farticle%2Fpii%2FB9780443103735500051&rfr_id=info%3Asid%2Fen.wikipedia.org%3APectoralis+minor" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external free" href="http://www.teachmeanatomy.com/muscles-of-the-pectoral-region/">http://www.teachmeanatomy.com/muscles-of-the-pectoral-region/</a> <sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged March 2018">permanent dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFShiBaiZhangWang2022" class="citation journal cs1">Shi, Dongning; Bai, Junwen; Zhang, Lu; Wang, Xia (February 2022). <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/34973859/">"The "Hand as Foot" teaching method in axillary artery anatomy"</a>. <i>Asian Journal of Surgery</i>. <b>45</b> (2): <span class="nowrap">800–</span>801. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.asjsur.2021.12.001">10.1016/j.asjsur.2021.12.001</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0219-3108">0219-3108</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/34973859">34973859</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Asian+Journal+of+Surgery&rft.atitle=The+%22Hand+as+Foot%22+teaching+method+in+axillary+artery+anatomy&rft.volume=45&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E800-%3C%2Fspan%3E801&rft.date=2022-02&rft.issn=0219-3108&rft_id=info%3Apmid%2F34973859&rft_id=info%3Adoi%2F10.1016%2Fj.asjsur.2021.12.001&rft.aulast=Shi&rft.aufirst=Dongning&rft.au=Bai%2C+Junwen&rft.au=Zhang%2C+Lu&rft.au=Wang%2C+Xia&rft_id=https%3A%2F%2Fpubmed.ncbi.nlm.nih.gov%2F34973859%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APectoralis+minor" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAl_FalehAl_SaadiKhalid-Bantuas2014" class="citation journal cs1">Al Faleh, Khalid; Al Saadi, Muslim; Khalid-Bantuas, Shialinee (January 2014). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3982340">"Poland's Syndrome with Absent Limb Anomalies"</a>. <i>Journal of Clinical Neonatology</i>. <b>3</b> (1): <span class="nowrap">44–</span>46. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.4103%2F2249-4847.128735">10.4103/2249-4847.128735</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/2249-4847">2249-4847</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3982340">3982340</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/24741541">24741541</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Clinical+Neonatology&rft.atitle=Poland%27s+Syndrome+with+Absent+Limb+Anomalies&rft.volume=3&rft.issue=1&rft.pages=%3Cspan+class%3D%22nowrap%22%3E44-%3C%2Fspan%3E46&rft.date=2014-01&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC3982340%23id-name%3DPMC&rft.issn=2249-4847&rft_id=info%3Apmid%2F24741541&rft_id=info%3Adoi%2F10.4103%2F2249-4847.128735&rft.aulast=Al+Faleh&rft.aufirst=Khalid&rft.au=Al+Saadi%2C+Muslim&rft.au=Khalid-Bantuas%2C+Shialinee&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC3982340&rfr_id=info%3Asid%2Fen.wikipedia.org%3APectoralis+minor" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pectoralis_minor&action=edit&section=11" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output .side-box-flex{display:flex;align-items:center}.mw-parser-output .side-box-text{flex:1;min-width:0}}@media(min-width:720px){.mw-parser-output .side-box{width:238px}.mw-parser-output .side-box-right{clear:right;float:right;margin-left:1em}.mw-parser-output .side-box-left{margin-right:1em}}</style><style data-mw-deduplicate="TemplateStyles:r1237033735">@media print{body.ns-0 .mw-parser-output .sistersitebox{display:none!important}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sistersitebox img[src*="Wiktionary-logo-en-v2.svg"]{background-color:white}}</style><div class="side-box side-box-right plainlinks sistersitebox"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style> <div class="side-box-flex"> <div class="side-box-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Pectoralis_minor_muscles" class="extiw" title="commons:Category:Pectoralis minor muscles">Pectoralis minor muscles</a></span>.</div></div> </div> <ul><li><a rel="nofollow" class="external text" href="http://www.rad.washington.edu/academics/academic-sections/msk/muscle-atlas/upper-body/pectoralis-minor">Illustration: upper-body/pectoralis-minor</a> from The Department of Radiology at the University of Washington</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100101010101/http://ect.downstate.edu/courseware/haonline/figs/l04/040405.htm">Anatomy figure: 04:04-05</a> at Human Anatomy Online, SUNY Downstate Medical Center</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20100101010101/http://ect.downstate.edu/courseware/haonline/figs/l05/050208.htm">Anatomy figure: 05:02-08</a> at Human Anatomy Online, SUNY Downstate Medical Center</li> <li><a rel="nofollow" class="external text" href="http://ect.downstate.edu/courseware/haonline/labs/l05/ov0200.htm">Anatomy photo:05:ov-0200</a> at the SUNY Downstate Medical Center</li> <li><a rel="nofollow" class="external text" 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aria-labelledby="Muscles_of_the_thorax_and_back" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini 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style="padding:0 0.25em"> <ul><li><a href="/wiki/Splenius_capitis_muscle" title="Splenius capitis muscle">capitis</a></li> <li><a href="/wiki/Splenius_cervicis_muscle" title="Splenius cervicis muscle">cervicis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Erector_spinae_muscles" title="Erector spinae muscles">erector spinae</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Iliocostalis" title="Iliocostalis">iliocostalis</a></li> <li><a href="/wiki/Longissimus" title="Longissimus">longissimus</a></li> <li><a href="/wiki/Spinalis" title="Spinalis">spinalis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Transversospinales" title="Transversospinales">Transversospinales</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Semispinalis_muscles" title="Semispinalis muscles">semispinalis</a></li> <li><a href="/wiki/Multifidus_muscle" title="Multifidus muscle">multifidus</a></li> <li><a href="/wiki/Rotatores_muscles" title="Rotatores muscles">rotatores</a></li> <li><a href="/wiki/Interspinales_muscles" title="Interspinales muscles">interspinales</a></li> <li><a href="/wiki/Intertransversarii" title="Intertransversarii">intertransversarii</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Vertebral_column" class="mw-redirect" title="Vertebral column">Vertebral column</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Trapezius" title="Trapezius">trapezius</a></li> <li><a href="/wiki/Latissimus_dorsi_muscle" title="Latissimus dorsi muscle">latissimus dorsi</a></li> <li><a href="/wiki/Rhomboid_muscles" title="Rhomboid muscles">rhomboid</a> <ul><li><a href="/wiki/Rhomboid_major_muscle" title="Rhomboid major muscle">major</a></li> <li><a href="/wiki/Rhomboid_minor_muscle" title="Rhomboid minor muscle">minor</a></li></ul></li> <li><a href="/wiki/Levator_scapulae_muscle" title="Levator scapulae muscle">levator scapulae</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Fascia" title="Fascia">Fascia</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Thoracolumbar_fascia" title="Thoracolumbar fascia">thoracolumbar fascia</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Thorax" title="Thorax">Thorax</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Intercostal_muscles" title="Intercostal muscles">Intercostal muscles</a> <ul><li><a href="/wiki/External_intercostal_muscles" title="External intercostal muscles">external</a></li> <li><a href="/wiki/Internal_intercostal_muscles" title="Internal intercostal muscles">internal</a></li> <li><a href="/wiki/Innermost_intercostal_muscle" title="Innermost intercostal muscle">innermost</a></li></ul></li> <li><a href="/wiki/Subcostalis_muscle" title="Subcostalis muscle">subcostalis</a></li> <li><a href="/wiki/Transversus_thoracis_muscle" title="Transversus thoracis muscle">transversus thoracis</a></li> <li><a href="/wiki/Levatores_costarum_muscles" title="Levatores costarum muscles">levatores costarum</a></li> <li>serratus posterior <ul><li><a href="/wiki/Serratus_posterior_inferior_muscle" title="Serratus posterior inferior muscle">inferior</a></li> <li><a href="/wiki/Serratus_posterior_superior_muscle" title="Serratus posterior superior muscle">superior</a></li></ul></li> <li><a href="/wiki/Thoracic_diaphragm" title="Thoracic diaphragm">thoracic diaphragm</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Thoracic_cavity" title="Thoracic cavity">Thoracic cavity</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pectoralis_major" title="Pectoralis major">pectoralis major</a></li> <li><a class="mw-selflink selflink">pectoralis minor</a></li> <li><a href="/wiki/Subclavius_muscle" title="Subclavius muscle">subclavius</a></li> <li><a href="/wiki/Serratus_anterior_muscle" title="Serratus anterior muscle">serratus anterior</a></li> <li><a href="/wiki/Sternalis_muscle" title="Sternalis muscle">sternalis</a></li></ul> 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