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Pivot joints, also known as rotary joints, are a type of synovial joint that permit axial rotation. The moving bone rotates within a ring formed by the concave surface of a second bone and an adjoining ligament.
Pivot joints allow rotation around a single axis only and therefore mechanically speaking they possess only one degree of freedom.
- axial rotation
- median atlantoaxial joint between the dens of C2 and the anterior arch of C1
- proximal radioulnar joint at the elbow
- distal radioulnar joint at the wrist