Upper Extremity Ii

Front 1

All extensor muscles of the upper limb are innervated by the ___ nerve or a branch of that nerve.

Back 1

radial

Front 2

Muscles that flex the elbow are innervated by (the)

Back 2

musculocutaneous and radial nerves

Front 3

A pairs figure skater who is accidentally dropped by her partner suffers a broken clavicle in the fall. Which of the following muscles is the most likely damaged in the injury?

Back 3

subclavius

Front 4

The symptoms of numbness of the palmar region often associated with carpal tunnel syndrome is caused by the

Back 4

compression of the median nerve within the carpal tunnel

Front 5

A shoulder separation is defined as a break between the distal end of the clavicle and the scapula. If the ligament between these bones is torn, what muscle of the shoulder region is the most likely also to be injured?

Back 5

deltoid

Front 6

Extensors of the elbow include (the)

Back 6

triceps brachii and anconeus

Front 7

The muscles of the arm (brachium) are divided into which of the following compartments?

Back 7

anterior and posterior

Front 8

The action of the rhomboideus major muscle is to

Back 8

adduct and rotate the scapula downward

Front 9

Triceps brachii is assisted in extension of the elbow by the synergistic muscle

Back 9

anconeus

Front 10

The rhomboid muscles are innervated by (the)

Back 10

dorsal scapular nerve

Front 11

The ___ muscle covers most of the surface area of the upper back

Back 11

Trapezius

Front 12

Actions of the biceps brachii muscle include

Back 12

a) flexion of the shoulder
b) supination of the forearm
c) flexion of the elbow
d) ALL OF THE ABOVE

Front 13

The ___ muscle is the most active muscle of the pectoral girdle because it can move the scapula in nearly any direction

Back 13

trapezius

Front 14

The muscles that form the rotator cuff include the

Back 14

SITS
supraspinatus, infraspinatus, teres minor, and subscapularis

Front 15

At the start of abduction of the arm, the deltoid muscle is assisted by (the)

Back 15

supraspinatus

Front 16

The primary flexors of the wrist include which of the following muscles?

Back 16

flexor carpi ulnaris, flexor carpi radialis, and palmaris longus

Front 17

The muscle that can both flex and adduct the arm is (the)

Back 17

pectoralis major

Front 18

The muscle just superior to the spine of the scapula that is part of the rotator cuff is the

Back 18

supraspinatus

Front 19

Which muscle originates on the transverse processes of cervical vertebrae?

Back 19

levator scapulae

Front 20

Carpal tunnel syndrome results when tendons of the digital flexors pinch the ___ nerve

Back 20

median

Front 21

Muscles that originate on the hamate bone include (the)

Back 21

flexor digiti minimi brevis and opponens digiti minimi

Front 22

The subclavius muscle

Back 22

inserts on the clavicle

Front 23

Of the muscles that move the forearm and the hand

Back 23

Some originate on the scapula

Front 24

The forearm muscles that provide strength and gross control of the hand and fingers are (the)

Back 24

extrinsic muscles of the hand

Front 25

The origin of the deltoid is (the)

Back 25

Clavicle and scapula