The elbow and the wrist
Humero-ulnar, humeroradial and radio-ulnar joints, the radiocarpal joint: flexion, extension, pronation, supination and deviations.
- 36 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 numbers
- Scenarios
- Understand
A few cards from the deck
Humero-ulnar joint: what is it?
Show the answer
A hinge between the trochlea of the humerus and the trochlear notch of the ulna.
It carries elbow flexion and extension.
After a fall on the hand, pain in the anatomical snuffbox, normal X-ray. What to fear?
- A missed scaphoid fracture
- A radial head fracture
- A hamate fracture
- A sprain of the thumb's ulnar collateral ligament
Show the answer
A missed scaphoid fracture
The snuffbox lies over the scaphoid, whose fracture may only show on an X-ray repeated after ten to fifteen days, or on CT or MRI; it is immobilised meanwhile.