Wrist And Carpus

Question 1

Name the carpal bones (lat to med)

Answer 1

Prox- scaphoid, lunate, triquatral, pisiform

Dist- Trapezium, trapezoid, capitate, hamate

Question 2

Describe the radiocarpal joint

Answer 2

Synovial elipsoid joint
Radius head concave with IA disc
Interosseus lig between prox carpals
Radius and S,L,T

Question 3

Describe the midcarpal joint

Answer 3

Prox- dist carpal bones 
S-T,T,C
L-C,H
T- H
Palmar and dorsal intercarpal ligaments

Question 4

Describe the Common Carpometacarpal joint

Answer 4

Plane synovial joints
Separate fibrous capsules
Dorsal and plantar CMC ligs
Interosseus ligaments

Question 5

Describe Flexor Carpi Ulnaris

Answer 5

Flexion, UD
O-med epi, CF tendon, med olecranon, prox 2/3 post ulnar via apernurosis
I- Pisiform, hamate and 5th MC via ligs
Ulnar nerve

Question 6

Describe the Flexor CarpiRadialis

Answer 6

Flex, RD
O- med epi via CF tendon
I- palmar surface 2-3 MCs
Median nerve C6-7

Question 7

Describe palmaris longus

Answer 7

Weak flexor
Between FU and FR
O-med epi
I- flexor retinaculum
Median nerve

Question 8

Describe Extensor Carpi Radialis Longus

Answer 8

Ext, RD
O- dist 1/3 lat supracondylar ridge of humerus and adjacent inter muscular septum
I-post 2nd MC
Radial nerve C6-7

Question 9

Extensor Carpi Radialis Brevis

Answer 9

Ext, RD
O- lat epi, via CE tendon
I- post 3rd MC
Radial nerve C6-7

Question 10

Describe Extensor Carpi Ulnaris

Answer 10

Ext, UD
O- lat epi, via CE tendon, via A to post ulna
I- med 5th MC

Question 11

Describe Extensor Retinaculum

Answer 11

Lat - med

Sup to ext tendons

Question 12

Describe flexor retinaculum

Answer 12

H and P to S and T

Sup to flexor tendons and median nerve