Question

Define pivotal joints
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Answer 1

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.

Answer 2

Answer:

Hey mate !! here's your answer

Pivot joint, also called rotary joint, or trochoid joint, in vertebrate anatomy, a freely moveable joint (diarthrosis) that allows only rotary movement around a single axis. ... The moving bone rotates within a ring that is formed from a second bone and adjoining ligament.J

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