including examples such as the hinge joint of the elbow, the ball-and-socket joint of the shoulder and hip, and the complex structure of the knee. The film describes the movements allowed by these ...

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 ...

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.

Primary total hip and total knee replacements are among the most common and successful orthopedic procedures worldwide. These ...

Hinge joints allow flexion and extension only ... 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 ...