Joint - Hinge

: Builders often use specialized ball and socket or Lego-compatible hinge joints for articulating models. Lego Hinges And Joint Pieces - Amazon.com

: The largest and most complex hinge joint, connecting the femur and tibia.

A (also known as a ginglymus ) is a type of synovial joint in the body that functions much like a mechanical door hinge, allowing movement primarily along one axis. This design facilitates back-and-forth motions, specifically flexion (bending) and extension (straightening). Common Examples in the Body hinge joint

In non-biological contexts, a "hinge joint piece" may refer to hardware or modeling components: : Dorman Door Hinge Pin and Bushing Kits Go to product viewer dialog for this item.

: The temporomandibular joint (TMJ) also functions as a hinge joint during opening and closing. Structure and Stability : Builders often use specialized ball and socket

: Specifically the humeroulnar joint between the humerus and ulna.

are available at Advance Auto Parts (~$12) or O'Reilly Auto Parts (~$11) for restoring car door alignment. Structure and Stability : Specifically the humeroulnar joint

: The tibiotalar joint that allows the foot to move up and down.