Day 8 - Wrist/Hand

Question 1

Flexor Retinaculum

Answer 1

bony arch is spanned by transverse carpal and volar carpal ligaments

Question 2

3 Joints in Finger

Answer 2

Metacarpophalangeal (MCP)
Proximal Interpalangeal (PIP)
Distal Interphalangeal (DIP)

Question 3

2 Thumb Joints

Answer 3

Metacarpophalangeal (MCP)
Interphalangeal (IP)

Question 4

Palmaris Longus

Answer 4

Wrist Flexion

Question 5

Wrist Flexors Origins and Insertions

Answer 5

O - anteromedial aspect of proximal forearm and medial epicondyle of humerus

I - anterior aspect of wrist and hand

Question 6

Wrist Extensors Origins and Insertions

Answer 6

O - posterolateral aspect of proximal forearm and lateral humeral epicondyle

I - posterior aspect of wrist and hand

Question 7

Flexor Pollicis Longus

Answer 7

Thumb Flexion
flexion of wrist
abduction of wrist

Question 8

Extensor Digiti Minimi

Answer 8

extension of little finger at metacarpophalangeal

Question 9

Palmaris Longus Origin and Insertion

Answer 9

O - medial epicondyle of humerus

I - palmaris aponeurosis of 2nd, 3rd, 4th, and 5th metacarpals

Question 10

Flexor Pollicis Longus Origin and Insertion

Answer 10

O - middle anterior surface of radius and from the anterior medial border of ulna just distal to coronoid process

I - base of distal phalanx o thumb

Question 11

Extensor Digiti Minimi Muscle Origin and Insertion

Answer 11

O - lateral epicondyle of humerus

I - base of middle and distal phalanxes of fifth phalange