Question

(a) What is a ball and socket joint?​

Answer 1

Answer:

The ball and socket joint (or spheroid joint) is a type of synovial joint in which the ball-shaped surface of one rounded bone fits into the cup-like depression of another bone. The distal bone is capable of motion around an indefinite number of axes, which have one common center. This enables the joint to move in many directions.

Explanation:

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Answer 2

Ball and socket joint is a joint in which the rounded surface of the bone moves within a depression on another bone allowing greater freedom of movement than any other kind of joint .