Hand- nerve supply

Question 1

Median Nerve branches

Answer 1

Palmar cutaneous branch- sensory skin of thenar palm
Recurrent branch, lateral and medial branch: Lateral 2 lumbricals, Opponens pollicis, Abductor pollicis brevis, Flexor pollicis brevis

Question 2

Median nerve associated structures

Answer 2

carpal tunnel

tendons of: flexor pollicis longus, flexor digitorum superficialis, flexor digitorum profundus

Question 3

Median nerve sensory branches

Answer 3

palmar- digits 1–>3, half of 4

Dorsal - fingertips of digitis 1–> 3, half of 4

Question 4

Ulnar nerve branches

Answer 4

Palmar cutaneous - sensory innervation to hypothenar palm
Dorsal cutaneous branch - deep fascia
Dorsal digital branches - sensory innervation to 5th digit and medial half of 4th digit
Deep branch - motor to: abductor digiti minimi, flexor digitis minimi brevis, opponenes digitii minimi, 2 medial lumbricals, dorsal and palmar interosseous, adductor pollicis, deep head of flexor pollicis brevis
Superficial branch- cutanoues innervation to palmar 5th digit and medial half of 4th digit.

Question 5

Radial nerve branches

Answer 5

Superficial branch - sensory to lateral 2/3 of hand dorsum, dorsal proximal parts of digits 2 & 3 and lateral half digit 4