Rotator Cuff

Which muscle is NOT part of the Rotator cuff ?

• Supraspinatus

• Subscapularis

• Infraspinatus

• Teres Minor

• Teres Major

Match the following to the Rotator Cuff and shoulder Muscle attachments

• D

• B

• C

• E

• Supraspinatus

Which of the following is a function of the Rotator cuff?

• Stabilizing the shoulder joint

• Flexing the elbow

• Extending the knee

• Rotating the hip

Rotator Cuff Referal A​ (a)   B​ (b)   C​ (c)   D​ (d)  

• Infraspinatus

• Subscapularis

• Teres Minor

• Supraspinaus

• Teres Major

• Pectoralis Major

What's the primary purpose of the rotator cuff muscles?

• Overhead movements of the shoulder

• External rotation of the arm

• Prevention of slipping of humeral head in glenoid cavity

• Stabilization of the humeral head

Where does the supraspinatus, infraspinatus, and teres minor insert?

• Lesser tubercle of humerus

• Greater tubercle of humerus

• acromion process

• Lateral 1/3 of clavicle

Which Rotator Cuff Muscles Attaches on the lesser tubercle? (3 attach on the greater tubercle)

• Subscapularis

• Supraspinatus

• Teres Minor

• Infraspinatus

What is the primary action of the Infraspinatus muscle?

• Knee extension

• Shoulder abduction

• Shoulder external rotation

• Elbow flexion

Which muscle is involved in internal rotation of the shoulder?

• Supraspinatus

• Subscapularis

• Infraspinatus

• Teres Minor

What role does the Teres Minor muscle play in shoulder movement?

• Shoulder adduction

• Shoulder internal rotation

• Shoulder external rotation

• Shoulder elevation