What is hinge joint??????

Please explain more properly.

open and close door a few times serve the hinges

The elbow has an hinge joint allows only back an forth movement .

The joint which allows to move the organs in back and forth direction. :)

I think this question is asked maximum times.

hinge joint moves in back fourth movement.

a joint that mainly moves our elbow or the knee.it works like the door hinge.

hinge joint allows back and forth movement. it is similar to hinges of the door and is present in knee and elbow...