{"id":204453,"date":"2025-03-21T21:03:06","date_gmt":"2025-03-21T21:03:06","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=204453"},"modified":"2025-03-21T21:03:08","modified_gmt":"2025-03-21T21:03:08","slug":"which-muscle-is-located-deep-to-the-latissimus-dorsi-and-has-finger-like-projections-running-from-the-ribs-to-the-scapula","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/21\/which-muscle-is-located-deep-to-the-latissimus-dorsi-and-has-finger-like-projections-running-from-the-ribs-to-the-scapula\/","title":{"rendered":"Which muscle is located deep to the latissimus dorsi and has finger-like projections running from the ribs to the scapula"},"content":{"rendered":"\n

Which muscle is located deep to the latissimus dorsi and has finger-like projections running from the ribs to the scapula?<\/p>\n\n\n\n

Pectoralis minor<\/p>\n\n\n\n

Serratus anterior<\/p>\n\n\n\n

Xiphihumeralis<\/p>\n\n\n\n

Rectus abdominis<\/p>\n\n\n\n

The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n

The correct answer is Serratus anterior<\/strong>.<\/p>\n\n\n\n

Explanation:<\/h3>\n\n\n\n

The serratus anterior<\/strong> is a muscle located deep to the latissimus dorsi<\/strong>, primarily responsible for the protraction and upward rotation of the scapula. It originates from the upper eight or nine ribs and inserts onto the medial border of the scapula.<\/p>\n\n\n\n

Key Characteristics:<\/strong><\/h4>\n\n\n\n
    \n
  1. Finger-like projections:<\/strong> The serratus anterior has a distinctive appearance due to its multiple digitations (finger-like projections) that extend from the lateral surface of the ribs to the scapula. These projections give it a serrated look, which is why it is named “serratus.”<\/li>\n\n\n\n
  2. Deep to Latissimus Dorsi:<\/strong> The latissimus dorsi is a large, superficial back muscle that covers much of the lower back. The serratus anterior, however, lies beneath this muscle, along the lateral thoracic wall.<\/li>\n\n\n\n
  3. Function:<\/strong><\/li>\n<\/ol>\n\n\n\n
      \n
    • It protracts<\/strong> the scapula (pulls it forward), which is crucial in pushing movements (e.g., punching, earning it the nickname “boxer’s muscle”).<\/li>\n\n\n\n
    • It assists in upward rotation<\/strong> of the scapula, allowing full arm elevation above the head.<\/li>\n\n\n\n
    • It stabilizes the scapula against the thoracic wall, preventing “winged scapula,” a condition seen when the muscle is weak or paralyzed.<\/li>\n<\/ul>\n\n\n\n
        \n
      1. Innervation:<\/strong> The long thoracic nerve (C5-C7)<\/strong> controls the serratus anterior. Damage to this nerve can lead to scapular winging, where the scapula protrudes abnormally from the back.<\/li>\n<\/ol>\n\n\n\n

        Why Not the Other Options?<\/strong><\/h3>\n\n\n\n
          \n
        • Pectoralis minor<\/strong>: Lies deep to the pectoralis major and does not have finger-like projections from the ribs.<\/li>\n\n\n\n
        • Xiphihumeralis<\/strong>: A muscle found in some animals, like cats, but not in humans.<\/li>\n\n\n\n
        • Rectus abdominis<\/strong>: A muscle in the anterior abdominal wall, unrelated to scapular movement.<\/li>\n<\/ul>\n\n\n\n

          Thus, the serratus anterior<\/strong> is the correct answer.<\/p>\n","protected":false},"excerpt":{"rendered":"

          Which muscle is located deep to the latissimus dorsi and has finger-like projections running from the ribs to the scapula? Pectoralis minor Serratus anterior Xiphihumeralis Rectus abdominis The correct answer and explanation is : The correct answer is Serratus anterior. Explanation: The serratus anterior is a muscle located deep to the latissimus dorsi, primarily responsible […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-204453","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/204453","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=204453"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/204453\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=204453"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=204453"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=204453"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}