"Hinge joint" Quotes from Famous Books
 ... greater freedom of motion than the others. The first and second cervical vertebrae, known as the atlas and the axis, are specially modified to form a support for the head and provide for its movements. The head rests upon the atlas, forming with it a hinge joint (used in nodding to indicate "yes"); and the atlas turns upon an upward projection of the axis forming a pivot joint (used in shaking the head to ...
— Physiology and Hygiene for Secondary Schools • Francis M. Walters, A.M. |
