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Subscapularis muscle information


Subscapularis muscle
Subscapularis muscle (in red). Ribs are shown as semi-transparent.
The subscapularis is difficult to see from the front (labeled middle right)
Details
OriginSubscapular fossa
InsertionLesser tubercle of humerus
ArterySubscapular artery
NerveUpper subscapular nerve, lower subscapular nerve (C5, C6)
ActionsInternally rotates and adducts humerus; stabilizes shoulder
Identifiers
Latinmusculus subscapularis
TA98A04.6.02.012
TA22460
FMA13413
Anatomical terms of muscle
[edit on Wikidata]

The subscapularis is a large triangular muscle which fills the subscapular fossa and inserts into the lesser tubercle of the humerus and the front of the capsule of the shoulder-joint.

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Subscapularis muscle

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shoulder-joint. The subscapularis is covered by a dense fascia which attaches to the scapula at the margins of the subscapularis' attachment (origin)...

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Humerus

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the head of the humerus. The lesser tubercle provides insertion to subscapularis muscle. Both these tubercles are found in the proximal part of the shaft...

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Deltoid muscle

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a simultaneous contraction of some of the muscles of the rotator cuff: the infraspinatus and subscapularis primarily perform this role. In spite of this...

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Lower subscapular nerve

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plexus. It innervates the inferior portion of the subscapularis muscle and the teres major muscle. The lower subscapular nerve contains axons from the...

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Subscapular nerves

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that innervate the muscles that move the scapula. The upper subscapular nerve innervates the upper portion of the subscapularis muscle. The middle subscapular...

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Shoulder joint

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between the subscapularis muscle and the tendon of the coracobrachialis muscle. Between the capsule and the tendon of the subscapularis muscle is the subscapular...

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Serratus anterior muscle

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the serratus anterior muscle. The serratus anterior lies deep to the subscapularis, from which it is separated by the subscapularis (supraserratus) bursa...

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Upper subscapular nerve

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It innervates the superior portion of the subscapularis muscle. The inferior portion of the subscapularis is innervated by the lower subscapular nerve...

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Subscapular artery

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the third part of the axillary artery at the lower border of the subscapularis muscle, which it follows to the inferior angle of the scapula, where it...

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Scapula

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the muscles of the rotator cuff—the subscapularis, teres minor, supraspinatus, and infraspinatus. These muscles attach to the surface of the scapula...

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Reverse shoulder replacement

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space between the deltoid muscle and pectoralis major muscle is developed. The subscapularis muscle, one of the four muscles of the rotator cuff, is typically...

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Infraspinatus muscle

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supraspinatus, the infraspinatus, and parts of the subscapularis. Infraspinatus muscle (shown in red). Animation. Muscles on the dorsum of the scapula, infraspinatus...

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Axillary lymph nodes

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umbilicus. Posterior (subscapular) group: Lying in front of the subscapularis muscle, these nodes receive superficial lymph vessels from the back, down...

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Oblique ridges of scapula

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spine). These ridges are formed by intramuscular tendons of the subscapularis muscle. The costal or ventral surface of the scapula presents a broad concavity...

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Lateral thoracic artery

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sends branches across the axilla to the axillary lymph nodes and subscapularis muscle. It anastomoses with the internal thoracic artery, subscapular, and...

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Snapping scapula syndrome

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motion. One source of snapping scapula is when the muscles underneath the scapula (the subscapularis muscle) atrophies. This causes the scapula to become very...

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Subcoracoid bursa

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to the subscapularis muscle and inferior to the coracoid process. Its function is to reduce friction between the coracobrachialis, subscapularis and short...

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Scapular anastomosis

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artery branches from the third part of the axillary and supplies the subscapularis muscle in the subscapular fossa as far as the inferior angle. The subscapular...

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Indiana Jones and the Dial of Destiny

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punch—someone was in the way and he had to adjust mid-strike—Ford pulled the subscapularis muscle off his right shoulder. Gilmour, Lauren (July 13, 2021). "Vintage...

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of shoulder joint. The muscles shown are subscapularis muscle (at right), infraspinatus muscle (at top left), teres minor muscle (at bottom left). Animation...

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Coracohumeral ligament

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The CCL also blends with the tendon of the supraspinatus muscle, and the subscapularis muscle. The CCL is situated superior to the head of the humerus...

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Justin Dunn

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couple of months” so he could recover from inflammation in the right subscapularis muscle of his rotator cuff. On August 16, he began a rehab assignment with...

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This is a table of skeletal muscles of the human anatomy, with muscle counts and other information. Skeletal muscle maps Anterior view Posterior view...

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Axillary Nerve Injury in Anterior Shoulder Reconstructions: Use of a Subscapularis Muscle-Splitting Technique and a Review of the Literature". The American...

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Derek Holland

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list and sidelined until the All-Star break. Holland strained his subscapularis muscle during the Rangers' first home game of the 2015 season, and was placed...

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Quadrangular space

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(lateral margin). laterally: surgical neck of the humerus. anteriorly: subscapularis muscle. The quadrangular space transmits the axillary nerve, the posterior...

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