In a saddle joint (sellar joint, articulation by reciprocal reception) the opposing surfaces are reciprocally concave-convex. ==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, allowi...
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http://en.wikipedia.org/wiki/Saddle_joint
A biaxial synovial joint in which the double motion is effected by the opposition of two surfaces, each of which is concave in one direction and convex in the other; as in the carpometacarpal joint of the thumb. ... Synonym: articulatio sellaris, articulatio ovoidalis. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
a synovial joint whose movement resembles that of a rider on horseback, who can shift in several directions at will; there is a saddle joint at the base of the thumb, so that the thumb is more flexible and complex than the other fingers but is also more difficult to treat if injured.
Found on
http://www.encyclo.co.uk/local/21001
Type: Term Definitions: 1. a biaxial synovial joint in which the double motion is effected by the opposition of two surfaces, each of which is concave in one direction and convex in the other; as in the carpometacarpal joint of the thumb. Synonyms: articulatio sellaris, articulatio ovoidalis
Found on
http://www.medilexicon.com/medicaldictionary.php?t=46430
A synovial joint in which the articular surfaces of both bones are concave in one plane and convex or saddle shaped, in the other plane, such as in the distal carpometacarpal joint of the thumb.
Found on
http://www.mhhe.com/biosci/abio/glossary.mhtml
No exact match found.
