Anatomy - upper limb

Question 1

What does the median nerve do

Answer 1

Pronation
wrist flexion

Question 2

what does the anterior interosseos supply

Answer 2

flexor pollicis longus
pronator quadratus
lateral half of the flexor digitorum profundus

PINCER

Question 3

Extension of IPJ

Answer 3

Extensor pollicis longus.
Both the proximal and distal interphalangeal joints of digits 2-5 are extended through the actions of extensor digitorum, lumbricals, and dorsal interossei.

Question 4

EXtension of MCP

Answer 4

Extensors only

Question 5

Median nerve injury

Answer 5

ulnar deviation - due to FCU
Loss of pronation
loss of opposition
loss of thumb flexion

Question 6

What attaches to the raidus

Answer 6

Upper third of the body:
Supinator
Flexor digitorum superficialis
Flexor pollicis longus

Middle third of the body
Pronator teres

Lower quarter of the body
Pronator quadratus
Tendon of supinator longus

Question 7

WHat vessel lies at the surgical head of shoulder

Answer 7

Posterior circumflex humeral artery

Question 8

KLUMPKES

Answer 8

Claw hand (MCP joints extended and IP joints flexed)
Loss of sensation over medial aspect of forearm and hand
Horner’s syndrome
Loss of flexors of the wrist

Question 9

flexion of thumb

Answer 9

flex pollicus longus