Which of following helps in rotation of the neck?

Atlas

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Axis

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Cervical

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Occipital condyle of skull

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Solution

The correct option is B Axis
There are 7 cervical vertebrae, $C_{1}$ - $C_{7}$ . First cervical vertebrae, i.e., atlas and second cervical vertebrae, i.e., axis, and seventh vertebrae are modified; third through sixth are typical; all contain transverse foramina. Atlas supports head, permits "yes" motion of head at joint between skull and atlas; axis permits "no" motion, i.e., rotation movement at joint between axis and atlas.

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If condyle is the bump existing between the bone joints, then what is occipital condyle?

Which one of the following pair is incorrect?

(a) Hinge joint - between humerus and pectoral girdle

(b) Pivot joint - between atlas, axis occipital condyle

(d) Saddle joint - between carpel and metacarpals of thumb

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