subscapularis

sub·scap·u·la·ris (mus·cle)

[TA] intrinsic (scapulohumeral) muscle of shoulder joint, the tendon of which contributes to the formation of the rotator cuff; origin, subscapular fossa; insertion, lesser tuberosity of humerus; action, rotates arm medially; its tonic contraction helps to hold the head of the humerus in the shallow glenoid fossa; nerve supply, upper and lower subscapular from posterior cord of brachial plexus (fifth and sixth cervical spinal nerves). Synonym(s): musculus subscapularis [TA], subscapular muscle

单词	subscapularis
释义	subscapularis subscapularis [‚səb‚skap·yə′lar·əs] (anatomy) A muscle arising from the costal surface of the scapula and inserted on the lesser tubercle of the humerus. subscapularis sub·scap·u·la·ris (mus·cle) [TA] intrinsic (scapulohumeral) muscle of shoulder joint, the tendon of which contributes to the formation of the rotator cuff; origin, subscapular fossa; insertion, lesser tuberosity of humerus; action, rotates arm medially; its tonic contraction helps to hold the head of the humerus in the shallow glenoid fossa; nerve supply, upper and lower subscapular from posterior cord of brachial plexus (fifth and sixth cervical spinal nerves). Synonym(s): musculus subscapularis [TA], subscapular muscle
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