Saddle joint

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Saddle joint
Gelenke Zeichnung01.jpg
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
TA A03.0.00.048
Anatomical terminology

In a saddle joint (sellar joint, articulation by reciprocal reception) the opposing surfaces are reciprocally concave-convex.


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.


The best examples of saddle joints are the metacarpal 1 (thumb) and the trapezium of the wrist.


This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links[edit]