Where are the heads of the radius and ulna located?

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Prepare for the 450 Formula Upper Extremity Test. Study with interactive flashcards and comprehensive multiple choice questions, each offering detailed explanations. Get exam ready now!

Multiple Choice

Where are the heads of the radius and ulna located?

Explanation:
In the forearm, each bone has a head at one end that participates in joints. The radius has its head at the proximal end near the elbow, where it forms the radiocapitular joint with the humerus and the proximal radioulnar joint with the ulna. The ulna has its head at the distal end near the wrist, where it participates in the distal radioulnar joint with the radius and interacts with the carpal area via the articular disc. So the head of the radius is proximal, and the head of the ulna is distal.

In the forearm, each bone has a head at one end that participates in joints. The radius has its head at the proximal end near the elbow, where it forms the radiocapitular joint with the humerus and the proximal radioulnar joint with the ulna. The ulna has its head at the distal end near the wrist, where it participates in the distal radioulnar joint with the radius and interacts with the carpal area via the articular disc. So the head of the radius is proximal, and the head of the ulna is distal.

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