Ch. 23 Pre-Lab

Rotator cuff muscles all have origins on the A. scapula B. clavicle C. humerus D. radius

A. scapula

Chest and shoulder muscles that move the arm at the shoulder joint have insertions on the A. scapula B. clavicle and ribs C. humerus D. radius or ulna

C. humerus

Muscles located n the arm that move the forearm at the elbow joint have insertions on the A. scapula and clavicle B. humerus C.radius or ulna D. carpals, metacarpals, and phalanges

C. radius or ulna

The action of the brachialis muscle is flexion of the elbow joint. A. true B. false

A. true

The belly of the flexor difitorum profundus muscle is located in the A. posterior superficial region of the forearm B. anterior deep region of the forearm C. anterior superficial region of the forearm D. posterior superficial region of the arm

B. anterior deep region of the forearm

There are more muscles that move in the forearm that move in the hand. A. true B. false

B. false

Which of the following is NOT a rotator cuff muscle? A. supraspinatus B. infraspinatus C. teres major D. teres minor

C. teres major

The belly of the muscle is usually ___ the region pulled. A. located on B. opposite C. distal to D. proximal to

D. proximal to