Latin articulatio sellaris TA A03.0.00.048 | Dorlands
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In a saddle joint (sellar joint, articulation by reciprocal reception) the opposing surfaces are reciprocally concave-convex.
Contents
Movements
The movements are as same as in the condyloid joint; that is to say, flexion, extension, adduction, abduction, and circumduction are allowed; but no axial rotation. Saddle joints are said to be biaxial, allowing movement in the sagittal and frontal planes.
Examples
The best examples of saddle joints are the carpals and metacarpals of thumb and the trapezium of the wrist.
References
Saddle joint Wikipedia(Text) CC BY-SA