Anatomy: Hand

Question 0

What is in the anatomical snuff box?

Answer 0

The radial artery.

Question 1

What are the carpal bones of the hand?

Answer 1

1. Trapezium
2. Trapezoid
3. Capate
4. Hamate
5. Scaphoid
6. Lunate
7. Triquetrum
8. Pisiform

(To TouCH SLuTty P)

Question 2

The thenar eminence and the hypothenar eminence are on what sides of the hand?

Answer 2

Thenar = Thumb (the 2 Ts)

Hypothenar is ulnar side.

Question 3

Where does the flexor retinaculum attach?

Answer 3

Lateral: trapezium and scaphoid.
Medial: hook of hamate and pisiform.

Question 4

What are the three muscles of the thumb and the three of the pinky? What innervates them?

Answer 4

1. Abductor Pollicis Brevis / Abductor Digiti Minimi (lateral most)
2. Opponens Pollicis / Opponens Digiti Minimi (deepest)
3. Flexor Pollicis Brevis / Flexor Digiti Minimi (most medial)

Innervation: Recurrent Branch of Median Nerve

Question 5

Where are the lumbrical muscles? What innervates them? How are they ordered?

Answer 5

1. In between the metacarpals.
2. Inv: Lateral 2- median nerve. Medial 2: ulnar nerve.
3. Numbered 1-4, starting between thumb and index finger.

Question 6

What are the different actions of the palmar interossei and the dorsal interossei?

Answer 6

Palmar ADducts the fingers (PAD)

Dorsal ABducts the fingers (DAB)

Question 7

What parts of the hand do the Median, Ulnar and Radial Nerves give sensory nerve supply?

Answer 7

Ulnar: pinky and half of ring finger on front and back to just below scaphoid.

Median: most of palm

Radial: most of back of hand