Hand and wrist lectures

Question 1

What is the main action of the muscles on the forearm of the anterior aspect?

Answer 1

Flexion of the wrist

Question 2

What is the main action of the muscles on the forearm of the posterior aspect?

Answer 2

Extension of the wrist

Question 3

If following a trauma and individual is unable to extend the wrist which nerve is likely to be injured?

Answer 3

The radial nerve

Question 4

From distal to proximal what are the bones of the hands?

Answer 4

1) Distal phalanges
2) Intermediate phalanges
3) Proximal phalanges
4) Metacarpals
5) Carpals

Question 5

Name the carpal bones starting at the base of the thumb and moving clockwise fashion

Answer 5

1) Trapezium
2) Scaphoid
3) Lunate
4) Triquetrum
5) Pisiform
6) Hamate
7) Capitate
8) Trapezoid

Question 6

Which type of joint is the Glenohumeral joint?

Answer 6

Synovial ball and socket

Question 7

Which type of joint is the elbow joint?

Answer 7

Synovial hinge

Question 8

Which type of joint is the proximal and distal radio-ulnar joint?

Answer 8

Synovial pivot

Question 9

Which type of joint is the wrist joint?

Answer 9

Synovial condyloid

Question 10

Which type of joint is the carpo-metacarpal (1st) joint, thumb?

Answer 10

Synovial saddle

Question 11

Which type of joint is the carpo-metacarpal (2-5th) joint?

Answer 11

Synovial condyloid

Question 12

Which type of joint is the proximal metacarpo-phalangeal joint?

Answer 12

Synovial condyloid

Question 13

Which type of joint is the interphalangeal joint?

Answer 13

Synovial hinge

Question 14

Movements of the Glenohumeral joint?

Answer 14

1) Flexion
2) Extension
3) Adduction
4) Abduction
5) Circumduction

Question 15

Movements of the elbow joint?

Answer 15

1) Flexion

2) Extension

Question 16

Movements of the proximal and distal radio-ulnar joint?

Answer 16

1) Pronation

2) Supination

Question 17

Movements of the wrist joint?

Answer 17

1) Flexion
2) Extension
3) Adduction
4) Abduction
5) Circumduction

Question 18

Movements of the carpo-metacarpal (1st) joint, thumb?

Answer 18

1) Flexion
2) Extension
3) Adduction
4) Abduction
5) Circumduction
6) Opposition

Question 19

Movements of the carpo-metacarpal (2-5th) joint?

Answer 19

1) Flexion and extension (4th and 5th)

2) Almost no movements (2nd and 3rd)

Question 20

Movements of the proximal metacarpo-phalangeal joint?

Answer 20

1) Flexion
2) Extension
3) Adduction
4) Abduction
5) Circumduction

Question 21

Movements of the interphalangeal joint?

Answer 21

1) Flexion

2) Extension

Question 22

Where does the subclavian artery become the axillary artery?

Answer 22

Lateral border of the 1st rib

Question 23

Where does the axillary artery become the brachial artery?

Answer 23

At the inferior border of teres major muscle

Question 24

Where does the brachial artery divide into the radial and ulnar artery?

Answer 24

Within the cubital fossa

Question 25

Which arteries form the palmar arteries of the hand?

Answer 25

The radial and ulnar arteries

Question 26

Which arteries are given off from the palmar arteries?

Answer 26

The digital arteries, run either side of the digits

Question 27

Which artery is the main contributor to the superficial palmar arch?

Answer 27

The ulnar artery

Question 28

Which artery is the main contributor to the deep palmar arch?

Answer 28

The radial artery