Ball and socket joint
an immoable is a fixed joint such as in the skull like a sutches. some kind of joint that doesnt move.
synovial
hinge joint
hinge joint
aphiarthrosis
The acetabulofemoral joint is a ball-and-socket joint.
your wrist is an ellipsoid joint
A ball and socket joint.
Fibrocartiliginous joint
A ball and socket joint.
A hinge joint.
pivot joint.........that's freely movable joint