Ball-and-socket joints allow flexion, extension, rotation, abduction (moving away from the midline of the body), and adduction (moving toward the midline). Which option is an example of a ball-and-socket joint:

A. the kneeB. the elbowC. the hipD. the joints between bones of the fingers

The HIP

Explanation:

This is an example of ball and socket joint in which the head of the femur the ball  fits and articulate the socket  the acetabulum, it is an example of synovial joint.

Since the head of the femur can articulate freely in the socket , this joint permits free movements in all direction 360 degree rotation.  The ball is continuously lubricated by the synovial fluids to reduce wear  and tear from friction.

The correct answer is option C THE HIP

Explanation: Ball and socket joints is one of the types of synovial joint classified according to the range of movement possible or according to shape of the articulating parts of the bones involved.

In ball and socket joints,the head of one home is ball-shaped and articulates with a cup-shaped socket of another. The joint allows for a wide range of movement, including flexion, extension,adduction, abduction, rotation and circumduction.Examples include joints if the shoulder and hip.

Synovial joints are characterised by the presence of a big space or capsule between the articulating bones. The end of the bones are held together by a sleeve of fibrous tissue,and lubricated with a small amount of fluid known as the synovial fluid.

Synovial joints are the most moveable joint of the body.

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