Upper Limb Anatomy Nbme High Yield

Front 1

Most frequently fractured bone of the body

Back 1

clavicle

Front 2

the most frequently dislocated carpal bone

Back 2

lunate

Front 3

most frequently fractured carpal bone

Back 3

scaphoid

Front 4

Fracture of the distal radius. where the fractured end protrudes posteriorly and produces a dinner fork appearance

Back 4

Colle's fracture

Front 5

fracture of the surgical neck of the humerus can cause injury to which artery and nerve?

Back 5

axillary nerve

posterior circumflex humeral artery

Front 6

fracture of the medial epicondyle of the humerus can cause injury to which nerve

Back 6

ulnar nerve

Front 7

fracture of the shaft of the humerus can cause injury to which artery and nerve

Back 7

Radial nerve

profunda brachii artery

Front 8

injury to which nerve leads to wrist drop?

Back 8

radial nerve

Front 9

which muscle is the chief flexor and extensor at the shoulder joint

Back 9

deltoid

Front 10

the deltoid and teres minor are innervated by which nerve?

Back 10

axillary

Front 11

which muscle initiates ABduction of the arm

Back 11

supraspinatus

Front 12

What are the muscles of the rotator cuff, and which one has the most commonly torn tendon

Back 12

Supraspinatus- Most commonly torn tendon

Infraspinatus

Teres Minor

Subscapularis

Front 13

Which two muscles work together to rotate the scapula for full ABduction of the arm

Back 13

serratus anterior

trapezius

Front 14

the tendon of which muscle courses through the shoulder joint

Back 14

long head of the biceps brachii

Front 15

which muscle is the chief supinator of the hand?

Back 15

biceps brachii

Front 16

injury to which nerve leads to the condition of winged scapula

Back 16

long thoracic nerve

Front 17

The axillary nerve consists of fibers from which brachial plexus roots?

Back 17

C5, C6

Front 18

Which brachial plexus roots provide fibers that innervate the muscles of the hand

Back 18

C8, T1

Front 19

dermatome of the thumb

Back 19

C6

Front 20

innervation of the thenar compartment is provided by which nerve

Back 20

recurrent branch of the median nerve

Front 21

innervation to all interosseous muscles of the hand is provided by which nerve

Back 21

deep branch of the ulnar nerve

Front 22

innervation of the adductor pollicis is provided by which muscle?

Back 22

deep branch of the ulnar nerve

Note: the adductor pollicis is not a muscle of the thenar compartment

Front 23

which body region is affected by upper trunk injury of the brachial plexus?

Back 23

shoulder

Front 24

carpal tunnel syndrome is caused by compression of which nerve?

Back 24

median

Front 25

which nerve is affected by cubital tunnel syndrome

Back 25

ulnar

Front 26

paralysis of these muscles results in total claw hand

Back 26

lumbricals