The elbow and knee joints are both hinge joints. A hinge joint is a type of synovial joint that works like the hinge on a door, allowing bending and straightening only. The shoulder and hip joints ...

Hinge Health, which provides digital exercise therapy programs to help people manage and overcome muscle and joint pain, on Monday filed for its long-sought New York initial public offering. The San ...

Hinge joints allow flexion and extension only. Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes when performing a biceps curl.