Upper Limb Muscles

Question 1

Primarily connected to the body by muscles

Answer 1

Upper limb

Question 2

Attach the arm to the thorax

Answer 2

Pectoralis major and latissimus dorsi

Question 3

Stabilize the shoulder joint by holding the head of humerus in the glenoid cavity

Answer 3

Rotator cuff muscles

Question 4

Muscle attaches the humerus to the scapula and clavicle

Answer 4

Deltoid (common site for administering injections)

Question 5

Primary extensor of the elbow, occupies the posterior compartment

Answer 5

Triceps brachii

Question 6

Primary flexors of the elbow

Answer 6

Biceps brachii and brachialis

Question 7

Posterior forearm muscle

Helps flex the elbow

Answer 7

Brachioradialis

Question 8

Supination, or turning the flexed forearm so that the palm is up is accomplished by ________

Answer 8

Supinator

Question 9

Pronation, turning the forearm so that the palm is down, is a function of two _______

Answer 9

Pronator muscles

Question 10

Muscles flex the wrist

Muscles extend the wrist

Answer 10

Flexor carpi

Extensor carpi

Question 11

Landmark for locating the radial pulse

Answer 11

Carpi radialis

Question 12

Flexion of the fingers is the function of the ______

Answer 12

Flexor digitorium

Question 13

Extension of the fingers is the function of _____

Answer 13

Extensor digitorium

Question 14

How many muscles are there in intrinsic hand muscles?

Answer 14

19

Question 15

Responsible for abduction and adduction of the fingers

Answer 15

Interrosei