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The proximal end of the radius illustrates the relationship of form and function. The cup-like surface of the radial head articulates with the rounded shape of the capitulum. This forms a joint that allows for ________.

Answer :

The Forearm

Explanation:

The proximal end of the radius illustrates the relationship of form and function. The cup-like surface of the radial head articulates with the rounded shape of the capitulum. This forms a joint that allows for movement of elbows and forearms.

Radius and ulna are the two bones of the forearm.  Their proximal ends articulate and fit into the cup like end of the humerus. This forms a synovial joint called the elbow joint.  The movement of this joint allows the forearms to supinate and pronate.

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The cup-like surface of the radial head articulates with the rounded shape of the capitulum. This forms a joint that allows for the rotational motion of the forearm.

  • The forearm is composed of the lower half of the arm between the elbow and the wrist.

  • This part of the arm (forearm) consists of the radius and the ulna bones.

  • The radius and the ulna bones are joined by proximal and distal articulations called radio-ulnar joints.

In conclusion, the cup-like surface of the radial head articulates with the rounded shape of the capitulum. This forms a joint that allows for the rotational motion of the forearm.

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