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saddle joint




saddle joint: carpometacarpal joint
A saddle joint: the carpometacarpal joint
A type of synovial joint in which the articular surfaces are reciprocally concavoconvex and resemble a saddle on a horse's back. Saddle joints permit flexion, extension, abduction, adduction, and rotation. The best example of this type of joint is the carpometacarpal joint of the thumb.


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   • ANATOMY AND PHYSIOLOGY