Hand II: Ch. 14

Question 1

superficial arterial arch

Answer 1

ulnar a. is main contributer

- located within central compartment between palmar aponeurosis and long digital flexor tendons

Question 2

deep palmar arterial arch

Answer 2

radial a. is main contributer
- in adductor interosseous compartment on surface of metacarpal bones deep to flexor tendons and adductor pollicis muscle

Question 3

radial. a.

Answer 3

• distal in forearm, radial a. leaves anterior surface laterally to pass deep to tendons of anatomical snuff box

Question 4

see drawing!!!!!

Answer 4

memorize drawing. do it now.

Question 5

median n.

Answer 5

enters hand through carpal tunnel

Question 6

recurrent branch of median n.

Answer 6

arises from first common palmar digital network

- innervates muscles of thenar compartment

Question 7

common palmar digital nerves

Answer 7

(3 of them)

- supply cutaneous innervation to thumb, second, third and radial side of fourth via proper digital branches

Question 8

ulnar n.

Answer 8

enters hand with ulnar artery through piso hamate ligament- innervates central area of palm

Question 9

superficial branch of ulnar n.

Answer 9

provides common and proper digital branches to fifth and ulnar side of fourth digit

Question 10

deep branch of ulnar n.

Answer 10

• innervates hypothenar muscles, lumbricals 3 and 4, all interossei and adductor pollicis muscle

Question 11

superficial branch of radial n.

Answer 11

• in the hand the sole innervation provided by radial nerve is its superficial branch - it is the cutaneous nerve on the dorsum of the hand.