11: The Hand

Question 1

What are the 3 layers of the hand

Answer 1

Superficial, intermediate, and deep

Question 2

What are the 2 main groups of muscles in the superficial layer

Answer 2

Thenar eminence and hypothenar eminence

Question 3

What are the intermediate structures of the hand?

Answer 3

The long flexor tendons (flexor digitorum superficialis and profundus) and flexor retinaculum, lumbrical muscles, adductor pollicis,

Question 4

What is inside the carpal tunnel?

Answer 4

Flexor digitorum superficialis and profundus and the medial nerve

Question 5

What are the lumbrical muscles and their properties

Answer 5

Located on the radial side of the long flexor tendons, originates on tendons of FD profundus, cross the Metacarpophalangeal joint to insert on the extensor tendon

Question 6

What are the deep muscles of the hand?

Answer 6

Interosseous mucles: Palmer interossei and dorsal interossei