Biaxial Joints: Joints such as the ankle and wrist. They allow movement about two perpendicular axes, which are axes at right angles to each other. This movement is usually abduction/adduction about the anteroposterior axes or flexion/extension about the mediolateral axes.
There are two main types of biaxial joints: Condyloid such as the metacarpophalangeal joints, and the saddle joint, which is found only at the base of the thumb, called the trapeziometacarpal.
For more information see The Skeletal and Muscular Systems (Human Body: How It Works) by By Gregory J. Stewart and A. enton and Structure and Function of the Musculoskeletal System by James Watkins.
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This page created 30 Jan 2012 01:04
Last updated 22 Jul 2016 00:07