The saddle joint allows your thumb to help pick up tiny objects such as needles or threads. There are saddle joints ankles and the wrists. The saddle joints in the ankle allow you to lean forward or backward, or stand on your tip toes. The pivot joint allows your head to move side to side. Instead of bone there is a white membrane protecting the brain.
Suture joints are impossible to move.
They allow very little movement as the two flat surfaces glide over each other. The gliding joints allow us to twist and bend all over the place.