Question

define ball and socket joints with proper example

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Answer 1

The connection between your upper arm and shoulder, and the connection between your upper leg and hip, are both examples of ball and socket joints. Ball and socket joints are characterized by one bone with a rounded end (the ball) fitting snugly into the corresponding pocket (the socket) of another bone.

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Answer 2

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.

Examples of this form of articulation are found in the hip, where the round head of the femur (ball) rests in the cup-like acetabulum (socket) of the pelvis; and in the shoulder joint, where the rounded upper extremity of the humerus (ball) rests in the cup-like glenoid fossa (socket) of the shoulder blade.[2] (The shoulder also includes a sternoclavicular joint.)