ginglymus
/ˈdʒɪŋɡlɪməs/
noun
- A hinge joint in the body that allows movement in only one direction, like the elbow or knee.
- Unlike a ball-and-socket joint, a ginglymus only moves back and forth.
- Doctors explained that a ginglymus joint, such as the knee, can be injured by twisting too hard.
- The elbow is a ginglymus that lets you bend and straighten your arm.