Metacarpophalangeal joint is Angular joint (also known as ellipsoid or condyloid joint).
This is a synovial joint. It is classified as pivot type of joint.
Pivot joint is the type found in the neck.
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Synovial joints
slider joint
The acromioclavicular joint is a plane, or gliding, joint.
The joint between parietal bones is classified as a fibrous joint, specifically a type of fibrous joint called a sutural synchondrosis. This type of joint is immovable and provides stability to the skull.
thumb
pivot
Pivot joint
Hinge joint .
The hinge joint.