the hand

Question 1

what does the carpal tunnel give passage to from forearm into hand

Answer 1

median nerve, tendon of flexor pollicis longus, four tendons of flexor digitorum profundus, four tendons of flexor digitorum superficialis

Question 2

what is the carpal tunnel base formed by

Answer 2

bony arch of carpal bones (palpable bony margins are tubercles of scaphoid and trapezoid bones laterally, and pisiform and hamate (hook) bones medially - forms a gutter shape and attachment for flexor retinaculum)

Question 3

what is the roof of the carpal tunnel formed by

Answer 3

flexor retinaculum (transverse carpal ligament)

Question 4

what does carpal tunnel syndrome result from

Answer 4

compression of median nerve in carpal tunnel, resulting in tingling, loss of sensation and pain in hand

Question 5

what median nerve branch doesn’t pass through carpal tunnel (lies anterior to flexor retinaculum), and so isn’t affected

Answer 5

palmar cutaneous branch of median nerve