자료: Wikipedia, http://en.wikipedia.org/wiki/Saddle_joint
Saddle joint | |
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1: Ball and socket joint; 2: Condyloid joint (Ellipsoid);3: Saddle joint; 4 Hinge joint; 5: Pivot joint; | |
Ligaments of wrist. Posterior view. | |
Latin | articulatio sellaris |
Gray's | subject #70 286 |
In a saddle joint (sellar joint, articulation by reciprocal reception) the opposing surfaces are reciprocally concave-convex.
Contents[show] |
[edit]Movements
The movements are the same as in a condyloid joint; that is to say, flexion, extension,adduction, abduction, and circumduction are allowed; but no axial rotation.
[edit]Examples
The best example of this form is the carpometacarpal joint of the thumb.[1]
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