Shoulder ROTATOR CUFF Muscles: Origins, Insertions, and Actions

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13 Terms

1
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What is the origin of the Supraspinatus?

Supraspinous fossa of the scapula

2
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What is the insertion of the supraspinatus?

Greater tubercle of the humerus

3
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What are the actions of the supraspinatus?

ABduction


4
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What is the origin of the Infraspinatus?

Infraspinous fossa of the scapula

5
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What is the insertion of the Infraspinatus?

Greater tubercle of the humerus

6
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What are the actions of the infraspinatus?

lateral rotation


7
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What is the origin of the Teres Minor?

Lateral boarder of scapula

8
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What is the insertion of the Teres Minor?

Greater tubercle of the humerus

9
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What are the actions of the Teres Minor?

lateral rotation, Shoulder aDduction

10
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What is the origin of the Subscapularis

Subscapular fossa of scapula

11
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What is the insertion of the Subscapularis?

Lesser tubercle of humerus

12
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What are the actions of the Subscapularis?

Medial rotation

13
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What is the shoulder joint called?

glenohumeral joint