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Radius
- Head – articulates with capitulum of humerus
- Neck – held to ulna by annular ligament
- Radial tuberosity – biceps brachii inserts here
- Body
- Ulnar notch – receives head of ulna
- Styloid process – surface landmark
- Carpal articular surface – articular surface located at the distal most aspect of the radius and located between the ulnar notch and the styloid process.
Ulna
- Olecranon (process) – triceps brachii attaches distally at this structure
- Coronoid process
- Radial notch – receives head of radius
- Trochlear notch – articulates with trochlea of humerus
- Ulnar tuberosity
- Body
- Head
- Styloid process – surface landmark