Question

Give two examples of Hinge joints.

Answer 1

Hinge joints:

1. The joints that allow a free to and fro movement in a singular plane are known as hinge joints.
2. They are synovial joints, i.e., characterized by a fibrous joint cavity filled with synovial fluid.
3. Synovial fluid is a buffer liquid that helps to reduce friction between the joints and bones ends upon movement.
4. Examples of hinge joints are elbow joint, knee joint, finger joint, etc.