Question

1) Why can our elbow not move backwards?​

Answer 1

Answer:

Our elbow cannot move backwards because it has a hinge joint which allows the movement in one plane only.

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Answer 2

Explanation:

In hinge joints, the articulating ends of the bones fit together like a hinge on a door, and movement is therefore restricted to flexion and extension, i.e. movement is only in one direction. The elbow joint is an example, which permits movement only in one direction, i.e only in the forward direction. So, our elbow cannot move backward.