Muscles that Move the Arm

Question 1

Deltoid

Answer 1

The major abductor (superficial anterior + posterior)

Question 2

Supraspinatus

Answer 2

Assists deltoid (superficial posterior)

Question 3

Subscapularis

Answer 3

Medial rotation at the shoulder (deep anterior)

Question 4

Teres Major

Answer 4

Medial rotation at the shoulder (deep anterior)

Question 5

Infraspinatus

Answer 5

Lateral Rotation at shoulder (deep anterior)

Question 6

Teres Minor

Answer 6

Lateral Rotation at shoulder (deep anterior)

Question 7

Coracobrachialis

Answer 7

Attaches to Scapula
Flexion + Adduction at shoulder
(deep anterior)

Question 8

Pectoralis Major

Answer 8

Flexion at the shoulder joint (superficial anterior)

Question 9

Latissimus dorsi

Answer 9

Produces extension at shoulder joint (superficial posterior)

Question 10

What muscles make up the “Rotator Cuff” and are involved in shoulder rotation?

Answer 10

Supraspinatus, Subscapularis, Infraspinatus, Teres Minor, and tendons