term1 Definition1term2 Definition2term3 Definition3
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1. Infraspinatus
Lateral rotation of humerus (shoulder);
Horizontal abduction of humerus (shoulder)
Origin: infraspinous fossa of scapula (large flat area under the spine of the scapula)
Insertion: greater tubercle of humerus
2 things
2. Supraspinatus (deep muscle)
Abduction of humerus (shoulder); stabilses shoulder joint
Origin: Supraspinous fossa of scapula (large flat area above the spine of the scapula)
3. Teres minor
Laterally rotates and adducts the arm
Origin: lateral border of the scapula
Insertion: just under the greater tubercle of the humerus
1 thing
4 Subscapularis
Medially rotates arm, stabilises shoulder
Origin: subscapular fossa - large flat area on anterior aspect of scapula
Insertion: lesser tubercle of humerus
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