Saddle joint
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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 |
Dorlands/Elsevier | a_64zPzhtm#/12161531 |
In a saddle joint (sellar joint, articulation by reciprocal reception) the opposing surfaces are reciprocally concave-convex.
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[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]
[edit] References
[edit] External links
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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