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Muscle Set 4
Rotator Cuff - Supraspinatus, Infrspinatus, Teres Minor
Question | Answer |
---|---|
What is the ORIGIN of Supraspinatus? | Supraspinous Fossa |
What is the INSERTION of Supraspinatus? | Greater Tubercle of the Humerus |
What is the ACTION of Supraspinatus? | Abduction 1 degree to 5 degrees |
What is the ORIGIN of the Infraspinatus? | Infraspinous Fossa |
What is the INSERTION of Infraspinatus? | Greater Tubercle of the Humerus |
What is the ACTION of Infraspinatus? | Lateral rotation of the Humerus; Extension of the Humerus |
What is the ORIGIN of Teres Minor? | Lateral border of the Scapula |
What is the INSERTION of Teres Minor? | Greater Tubercle of the Humerus |
What is the ACTION of Teres Minor? | Lateral rotation of the Humerus; Extension of the Humerus |
What is the ORIGIN of Subscapularis? | Subscapular Fossa |
What is the INSERTION of Subscapularis? | Lesser Tubercle of the Humerus |
What is the ACTION of Subscapularis? | Medial rotation of the Humerus |
What are the muscles that make up the Rotator Cuff called? | SITS Muscles |
What is the largest Rotator Cuff muscle? | Subscapularis |
Subscapularis is underneath the Scapula | Subscapularis is underneath the Scapula |
What is the main action of the Rotator Cuff? | To stabilize the head of the Humerus |