The hand and its joints
Carpus, metacarpus and phalanges, the thumb's trapeziometacarpal joint, opposition, grips and the arches of the hand.
- 27 cards
- 6 topics
- Free
The outline, topic by topic
Each topic is weighted the way the exam weighs it.
- Concepts
- On the body
- Sort and link
- The steps
- Scenarios
- Understand
A few cards from the deck
Carpus: what is it?
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Eight bones in two rows between the forearm and the metacarpus.
Scaphoid, lunate, triquetrum, pisiform; trapezium, trapezoid, capitate, hamate.
The bones of a finger, from wrist to tip: which step comes after "Carpal bone"?
- Metacarpal
- Proximal phalanx
- Middle phalanx
- Distal phalanx
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Metacarpal
The thumb has no middle phalanx.
Trapeziometacarpal joint: what is it?
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A saddle joint between the trapezium and the first metacarpal.
It makes thumb opposition possible.
A climber can no longer bring the thumb to the little finger after a fall on the hand. Which joint to examine first?
- The thumb's trapeziometacarpal joint
- The index finger's interphalangeal joint
- The proximal radio-ulnar joint
- The humero-ulnar joint
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The thumb's trapeziometacarpal joint
Opposition relies on this saddle joint.