Figure 7-4
-Around which structure does the radius rotate?
A)1
B)2
C)3
D)4

Name: Figure 7-4 -Around which structure does the radius rotate? A)1 B)2 C)3 D)4
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Question

Figure 7-4
-Around which structure does the radius rotate?
A)1 
B)2 
C)3 
D)4

Quizplus · Accepted Answer

The radius rotates around the central pivot point, which is structure 3 in the diagram. Structures 1 and 2 are part of the ulna bone and do not rotate with the radius. Structures 4 and 5 are part of the hand and are not connected to the rotating motion of the radius.

Figure 7-4 -Around Which Structure Does the Radius Rotate