Pivot joint
In animal anatomy, a pivot joint (trochoid joint, rotary joint or lateral ginglymus) is a type of synovial joint whose movement axis is parallel to the long axis of the proximal bone, which typically has a convex articular surface.
| Pivot joint | |
|---|---|
1: Ball and socket joint; 2: Condyloid joint (Ellipsoid); 3: Saddle joint; 4 Hinge joint; 5: Pivot joint; | |
| Details | |
| Identifiers | |
| Latin | articulatio trochoidea |
| TA98 | A03.0.00.045 |
| TA2 | 1557 |
| FMA | 75294 |
| Anatomical terminology | |
According to one classification system, a pivot joint like the other synovial joint —the hinge joint has one degree of freedom. Note that the degrees of freedom of a joint is not the same as a joint's range of motion.
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