Anterior forearm and wrist

Question 1

What 2 muscles in this compartment are not supplied by the median nerve

Answer 1

flexor carpi ulnaris - ulnar nerve
medial 1/2 of flexor digitorum profundus - ulnar nerve

Question 2

Describe the attachments of pronator teres

Answer 2

Medial epicondyle and coronoid process (ulna)
to
lateral surface of radius

Question 3

Describe the attachments of flexor carpi ulnaris

Answer 3

medial epicondyle
to
base of pisiform, hamate and 5th metacarpal

Question 4

Describe the action of flexor carpi ulnaris

Answer 4

wrist adduction - medial deviation
wrist flexion

Question 5

Describe the attachments of flexor carpi radialis

Answer 5

medial epicondyle
to
base of 2nd metacarpal

Question 6

Describe the attachments of flexor digitorum superficialis

Answer 6

medial epicondyle and coronoid process
to
middle phalanges of fingers 2-5

Question 7

Describe the attachments of flexor digitorum profundus

Answer 7

ulna and interosseous membrane
to
distal phalanges 2-5 (palmar aspect)

Question 8

What joints can FDP flex

Answer 8

wrist, MCP, PIP, DIJs

Question 9

Describe the innervation to FDP

Answer 9

ring and little finger - Ulnar nerve C8-T1
index and middle finger - median nerve C8-T1 (anterior interosseous branch)

Question 10

Describe the attachments of flexor policis longus

Answer 10

radius and interosseous membrane
to
base of distal phalanx of thumb

Question 11

Describe the innervation of FPL (be specific)

Answer 11

median nerve anterior interosseous branch (C8-T1)

Question 12

What cord of the BP is the ulnar nerve from (w/ root levels)

Answer 12

Medial cord
C7-T1

Question 13

Where does the ulnar artery form

Answer 13

Near the cubital fossa, from brachial artery

Question 14

What is the major contributor to the superficial palmar arch of the hand

Answer 14

Ulnar artery

Question 15

Describe the course of the ulnar artery in the ant forearm

Answer 15

forms common interosseous artery
then that splits to anterior and posterior branches

Question 16

What type of joint is the wrist bone

Answer 16

Synovial condyloid joint
does not allow rotation

Question 17

Describe the proximal carpal bone row from radial to ulnar

Answer 17

scaphoid, lunate, triquetrium, pisiform

Question 18

Describe the distal carpal bone row from radial to ulnar

Answer 18

trapezium, trapezoid, capitate, hamate

Question 19

What joint type is found between carpal bones

Answer 19

synovial plane
accommodates for movements of the hand

Question 20

Describe the structures that pass through the carpal tunnel

Answer 20

tendons of FDS
tendons of FDP
tendon of flexor policis longus
tendon of flexor carpi radialis
median nerve