Sometimes, the most visible life sign is the spines, which attach to ball-and-socket joints and can point in any direction.

The gibbons' ball-and-socket joints allow them unmatched speed and accuracy when swinging through trees.

They were mostly metal backbone and a series of tanks, with rocket motors mounted on ball-and-socket joints.

Each finger had five independent ball-and-socket joints.

It connects with the hip by a ball-and-socket joint which allows freedom of movement.

It stood expertly balanced on the scuffed metal bulbs of ball-and-socket joints.

A few weeks later, I was returning to school from lunch when, out of the blue, the ball-and-socket joint of my hip sheared apart.

Outside the body, a rod or a curved piece of metal with special ball-and-socket joints joins the bolts to make a rigid support.

The fracture can be set in the proper anatomical configuration by adjusting the ball-and-socket joints.

They move their arms side to side by means of ball-and-socket joints.