Question
Differentiate between a ball and socket joint and a pivot joint.
✓
Answer
| A Ball and Socket Joint | A pivot Joint |
| One bone forms a cup-like depression or socket in which ball-like structure fits. | It permits movements resembling the rotation of the body around a pivot. |
| The head or ball can move freely in the socket. | One of the two bones of the joint is always fixed in it. |
| e.g., Shoulder joint. | e.g., Joint between atlas and axis vertebrae in man. |
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