Freely movable joint
Bursae
sacks of synovial fluid
Diarthrotic
freely movable joints bound together by a fibrous articular capsule
ball-in-socket joint
allow angular movement in all directions
condyloid joint
allow movement in 2 planes. Formed by rounded articulation with an elliptical depression
pivot joint
allow rotational movement around one point
hinge joint
allows movement in one plane
Synovial membrane
lines the inside of the capsule and secretes synovial fluid to lubricate the joint
Gliding joints
occurs between small bones with flat or slightly convex surfaces.
saddle joint
where both ends of bones are saddle shaped, convex in one direction and concave in the other