Hand and wrist lectures Flashcards
What is the main action of the muscles on the forearm of the anterior aspect?
Flexion of the wrist
What is the main action of the muscles on the forearm of the posterior aspect?
Extension of the wrist
If following a trauma and individual is unable to extend the wrist which nerve is likely to be injured?
The radial nerve
From distal to proximal what are the bones of the hands?
1) Distal phalanges
2) Intermediate phalanges
3) Proximal phalanges
4) Metacarpals
5) Carpals
Name the carpal bones starting at the base of the thumb and moving clockwise fashion
1) Trapezium
2) Scaphoid
3) Lunate
4) Triquetrum
5) Pisiform
6) Hamate
7) Capitate
8) Trapezoid
Which type of joint is the Glenohumeral joint?
Synovial ball and socket
Which type of joint is the elbow joint?
Synovial hinge
Which type of joint is the proximal and distal radio-ulnar joint?
Synovial pivot
Which type of joint is the wrist joint?
Synovial condyloid
Which type of joint is the carpo-metacarpal (1st) joint, thumb?
Synovial saddle
Which type of joint is the carpo-metacarpal (2-5th) joint?
Synovial condyloid
Which type of joint is the proximal metacarpo-phalangeal joint?
Synovial condyloid
Which type of joint is the interphalangeal joint?
Synovial hinge
Movements of the Glenohumeral joint?
1) Flexion
2) Extension
3) Adduction
4) Abduction
5) Circumduction
Movements of the elbow joint?
1) Flexion
2) Extension
Movements of the proximal and distal radio-ulnar joint?
1) Pronation
2) Supination
Movements of the wrist joint?
1) Flexion
2) Extension
3) Adduction
4) Abduction
5) Circumduction
Movements of the carpo-metacarpal (1st) joint, thumb?
1) Flexion
2) Extension
3) Adduction
4) Abduction
5) Circumduction
6) Opposition
Movements of the carpo-metacarpal (2-5th) joint?
1) Flexion and extension (4th and 5th)
2) Almost no movements (2nd and 3rd)
Movements of the proximal metacarpo-phalangeal joint?
1) Flexion
2) Extension
3) Adduction
4) Abduction
5) Circumduction
Movements of the interphalangeal joint?
1) Flexion
2) Extension
Where does the subclavian artery become the axillary artery?
Lateral border of the 1st rib
Where does the axillary artery become the brachial artery?
At the inferior border of teres major muscle
Where does the brachial artery divide into the radial and ulnar artery?
Within the cubital fossa
Which arteries form the palmar arteries of the hand?
The radial and ulnar arteries
Which arteries are given off from the palmar arteries?
The digital arteries, run either side of the digits
Which artery is the main contributor to the superficial palmar arch?
The ulnar artery
Which artery is the main contributor to the deep palmar arch?
The radial artery
