Functional anatomy of the hand and wrist Flashcards
1
Q
What are the movements of the wrist? (6)
A
- Flexion
- Extension
- Radial deviation
- Ulnar deviation
- Pronation
- Supination
2
Q
What are the movements of the fingers? (5)
A
- Flexion
- Extension
- Abduction
- Adduction
- Opposition
3
Q
What are the movements of the thumb? (9)
A
- Flexion
- Extension
- Radial abduction
- Palmar Abduction
- Adduction (ulnar)
- Palmar adduction
- Opposition
- Reposition
- Retropulsion
4
Q
What are the names of the carpal bones (8)?
So long till pinky, here comes the thumb
A
Proximal:
- Scaphoid
- Lunate
- Traquetral
- Pisiform
Distal: -Hamate -Capitate -Trapezoid Trapezium
5
Q
Why is the scaphoid susceptible to avascular necrosis?
A
It has a retrograde blood supply
6
Q
What is the triangular fibrocartilage complex (TFCC)?
A
Cartilage structure on the ulnar side of the wrist that keeps it stabile
7
Q
Describe the wrist joint
A
- Ellipsoid type
- Synovial joint
- Distal radius, TFCC, scaphoid and lunate
8
Q
Which metacarpal bones articulate to which carpal bones?
A
I - Trapezium II - Trapezoid III - Capitate IV - Hamate V - Hamate
9
Q
What is the thenar eminence?
A
Muscular prominence on the radial aspect of the palm
