Muscle Actions

Question 1

Shoulder abduction, extension, lateral rotation, horizontal abduction

Answer 1

Deltoid Post.

Question 2

Shoulder abduction

Answer 2

Deltoid Mid.

Question 3

Shoulder abduction, flexion, medial rotation, and horizontal adduction

Answer 3

Deltoid Ant.

Question 4

Shoulder flexion, elbow flexion, forearm supination

Answer 4

Biceps Brachii

Question 5

Shoulder flexion, adduction. Stabilizes shoulder

Answer 5

Coracobrachialis

Question 6

Shoulder flexion—first 60 degrees, medial rotation, adduction, horizontal adduction

Answer 6

Pectoralis Major Clavicular

Question 7

Medial rotation, adduction, horizontal adduction

Answer 7

Pectoralis Major Sternal

Question 8

Shoulder extension, adduction, medial rotation

Answer 8

Latissimus Dorsi

Question 9

Shoulder extension, adduction, and medial rotation

Answer 9

Teres Major

Question 10

Shoulder extension, elbow extension

Answer 10

Triceps Brachii

Question 11

Shoulder abduction

Answer 11

Supraspinatus

Question 12

Shoulder lateral rotation, horizontal abduction

Answer 12

Infraspinatus

Question 13

Shoulder lateral rotation, horizontal abduction

Answer 13

Teres Minor

Question 14

Shoulder adduction, medial rotation

Answer 14

Subscapularis