Question

what type of joint allows back and forth movements and can be found in the elbows and knees?
hinge joint
fixed joint
saddle joint

Explanation:

Hinge joints allow back - and - forth, or flexion and extension, movements. They are present in elbows and knees. Fixed joints do not move, and saddle joints allow more complex movements than just back - and - forth.

Answer:

A. hinge joint