This occurs when the angle of a joint increases, for example the elbow when throwing a shot put. The take-off knee extends when a high-jumper takes off (the other knee is flexed). Ball and socket ...

Ball joints act like hinges and connect the suspension control arms to the steering knuckles with a rotating, spherical stud and a socket ... can be the load-bearing joint that carries the ...

Four important synovial joints used in most sporting actions are the elbow and shoulder joints in the arm, and the knee and hip joints in the leg. The elbow and knee joints are both hinge joints.

For example, patients who were functionally ... The hip is one of the largest joints in the body and is shaped as a ball and socket joint. The ball sits at the top of the femur (thigh bone ...