Rotator Cuff Muscles (SITS)

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Last updated 6:36 PM on 9/24/26
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13 Terms

1
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<p>Supraspinatus — Origin</p>

Supraspinatus — Origin

Supraspinous fossa of scapula

2
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<p>Supraspinatus — Insertion</p>

Supraspinatus — Insertion

Greater tubercle of humerus

3
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<p>Supraspinatus — Action</p>

Supraspinatus — Action

Initiates arm abduction; stabilizes glenohumeral joint

4
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<p>Infraspinatus — Origin</p>

Infraspinatus — Origin

Infraspinous fossa of scapula

5
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<p>Infraspinatus — Insertion</p>

Infraspinatus — Insertion

Greater tubercle of humerus

6
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<p>Infraspinatus — Action</p>

Infraspinatus — Action

Laterally rotates arm; stabilizes glenohumeral joint

7
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<p>Teres minor — Origin</p>

Teres minor — Origin

Upper lateral border of scapula

8
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<p>Teres minor — Insertion</p>

Teres minor — Insertion

Greater tubercle of humerus

9
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<p>Teres minor — Action</p>

Teres minor — Action

Laterally rotates arm; stabilizes glenohumeral joint

10
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<p>Teres Minor — Innervation </p>

Teres Minor — Innervation

Axillary n.

11
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<p>Subscapularis — Origin</p>

Subscapularis — Origin

Subscapular fossa of scapula

12
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<p>Subscapularis — Insertion</p>

Subscapularis — Insertion

Lesser tubercle of humerus

13
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<p>Subscapularis — Action</p>

Subscapularis — Action

Medially rotates arm ("wind up for a pitch"); stabilizes glenohumeral joint