Every athlete stretches his/her neck as depicted in the image. Which of the following joints allow such kind of movement?
A
Ball and socket joint
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B
Pivot joint
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C
Hinge joint
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D
Fixed joint
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Solution
The correct option is B Pivot joint Pivot joints allow bones to rotate. In a pivot joint, a cylinder shaped bone rotates inside another bone or ligament that forms a ring around it. The back of the neck has a pivot joint between the skull and the top vertebra. This allows our head to turn.