Hand

Question 1

Describe the 1st CMC joint

Answer 1

Synovial saddle joint
Base of mc curved
RC lig, A/P oblique ligs

Question 2

Describe the MCP joint

Answer 2

Synovial condyloid joint
Rounded head of MC
Concave base does PP
FC palmar ligament - ant phalanx
M/L C ligaments 
Slip from Palmer apernurosis (fingers)

Question 3

Describe the IP joints

Answer 3

Synovial hinge joints
DP articular surface increased by FC palmar lig
Collateral ligaments M/L
Fingers- Fibrous flexor sheath, Deep transverse MC ligament

Question 4

Describe the Extensor Digitorum

Answer 4

Ext wristb and finger joints
O- lat epi via CE tendon
I-via dorsal digital expansion base of post D and M phalanges
Radial nerve C7-8

Question 5

Describe the dorsal digital expansion/ extensor hood

Answer 5

Triangular fasciae structure
Post fingers
Attaches lumbricals of phalanges, ED tendon, extensor Indicis and Digiti minimi

Question 6

Describe Extensor Indicis

Answer 6

Ext index finger
O- dist post ulna and IM
I- DDE
Radial nerve C7-8

Question 7

Describe extensor Digiti minimi

Answer 7

Ext little finger
O- lat epi via CE tendon
I- DDE
Radial nerve C7-8

Question 8

Describe Flexor Digitorium Superficialis

Answer 8

Flex PIP, mcp, wrist
O- med epi via CF tendon, MCL lig, med CP, prox 2/3 ant radius
I- palmar base middle phalanxes
Median nerve

Question 9

Describe Flexor Digitorum Profundus

Answer 9

Flex fingers and wrist
O- med CP, prox 3/4 ant and (via apernurosis) post ulnar and IM
I- Palmar distal phalanx base
Median nerve C7-T1
and ulnar nerve C8-T1

Question 10

Describe the lumbricals

Answer 10

Flex MCP joint, ext DIP and PIP joints fingers
O- lat side of FDP tendons
I- lat edge DDE
Median nerve - T1, Ulnar nerve - T1

Question 11

Describe flexors Pollicis longus

Answer 11

Flex thumb
O- ant radius between RT and Pronator Quadratus
I- palmar surface base DP thumb
Median nerve C8-T1

Question 12

Describe extensor Pollicis longus

Answer 12

Ext thumb, ext, RD wrist
O- mid 1/3 post ulna, AM
I-dorsal DP of thumb
Radial nerve C7-8

Question 13

Describe Extensor Pollicis Brevis

Answer 13

Ext CMC and MCP joints thumb, RD wrist
O- mid third post radius and AM
I- dorsal PP thumb
Radial nerve C7-8

Question 14

Describe Abductor Pollicis Longus

Answer 14

Abducts thumb
O- mid post ulna, radius, IM
I- lat base MC thumb
Radial nerve C7-8

Question 15

Describe Flexor Pollicis Brevis

Answer 15

flex MCP and CMC joints of the thumb
O- tubercle of trapezium, C, Trapezoid, FR
I- lat base PP thumb
Median nerve T1

Question 16

Describe Flexor Digiti Mnimi Brevis

Answer 16

Flex mcp joint LF
O- Hook of Hamate and FR
I- PP of LF
Ulnar nerve T1

Question 17

Name the muscles of the thumb

Answer 17

FPL
EPL
EPB
APL
FPB
APB
AddP
OP

Question 18

Name the specific muscles of the little finger

Answer 18

FDMB
AbDM
ODM

Question 19

Describe Palmer Interossei

Answer 19

Add digits but MF
shaft of MC to DDE and base of PP
Ulnar nerve T1

Question 20

Describe the Dorsal Interossei

Answer 20

Abd 2-4 digits
Sides of DDE and PP
Ulnar nerve T1

Question 21

Describe Palmaris Brevis

Answer 21

closely associated with fascia of hand
Enhances grip ulnar side
O- med border PA, FR
I- Skin on medial hand
Ulnar nerve T1

Question 22

Describe the Palmer Aponeurosis

Answer 22

Triangular dense fibrous tissue
Covers long muscle tendons palm
FR 
PL
Base at webs of fingers
Slips distally running along fibrosseous canals 
Ligs and caps of MCP joints

Question 23

Name the grips of the hand

Answer 23

Terminal opposition - pincer
Sub terminal opposition- pinch
Sub terminal-lateral opposition - key grip
Palm grip
Hook grip
Span grip