The take-off knee extends when a high-jumper takes off (the other knee is flexed). Ball and socket joints also allow flexion and extension. Flexion of the shoulder joint occurs when the humerus ...

The shoulder and hip joints are both ball and socket joints. A ball and socket joint is a type of synovial joint that allows movement in almost every direction. A ball and socket joint is made up ...

A big project has brought the former Ball & Socket Manufacturing Company back to life as a spacious and inventive art center.

Hip dysplasia is when the ball and socket of your hip joint don’t fit together as they should. Usually, the ball-shaped end of your upper thigh bone (femur) fits neatly into a socket in your pelvis ...

Ball joints act like hinges and connect the suspension control arms to the steering knuckles with a rotating, spherical stud and a socket, giving the wheels a wide range of movement -- from side ...