Upper Body Muscular Actions

Question 1

External rotation of shoulder

Answer 1

Teres Minor

Question 2

Internal rotation, adduction, and extension of humerus

Answer 2

Teres Major

Question 3

internal rotation

Answer 3

Subscapularis

Question 4

upward roation, elevation, retraction, depression of scapula

Answer 4

Trapezius

Question 5

extends, adducts, and internal rotation of humerus

Answer 5

Latissimus dorsi

Question 6

Elevates the scapula

Answer 6

Levator Scapulae

Question 7

flexion, adduction, and internally rotates at the glenohumeral joint

Answer 7

Pectoralis Major

Question 8

protracts the scapula, stabilizes the scapula by pulling it inferiorly and anteriorly

Answer 8

Pectroralis Minor

Question 9

scapular protraction and upward rotation oft he scapula with shoulder abduction. Holds scapula high against the thoracic wall

Answer 9

Serratus Anterior

Question 10

depression of clavicle downward and forward

Answer 10

Subclavius

Question 11

Shoulder abduction, anterior fibers: flexion and internal rotation

Answer 11

Deltoid (anterior fibers)

Question 12

Posterior Fibers: extension an external rotation

Answer 12

Deltoid (posterior fibers)

Question 13

initial 15 degrees glenohumeral abduction

Answer 13

Supriaspiatus

Question 14

External Rotation

Answer 14

Infraspinatus