Interphalangeal joint
Interphalangeal Joint
The Interphalangeal Joint (pronounced: in-ter-fa-lan-gee-al joint) is a type of synovial joint found in the human body. It is located between the phalanges (bones) of the fingers and toes.
Etymology
The term "Interphalangeal Joint" is derived from the Latin words "inter" meaning between, and "phalanx" or "phalanges" referring to the bones of the fingers and toes.
Anatomy
The Interphalangeal Joint is a hinge joint, allowing flexion and extension movements. Each finger and toe, except the thumb and big toe, have two interphalangeal joints - the proximal and distal interphalangeal joints. The thumb and big toe only have one - the proximal interphalangeal joint.
Function
The primary function of the Interphalangeal Joint is to facilitate movement and provide flexibility to the fingers and toes. This allows for actions such as gripping, pinching, and walking.
Related Terms
- Proximal Interphalangeal Joint: The joint located closest to the hand or foot.
- Distal Interphalangeal Joint: The joint located furthest from the hand or foot.
- Synovial Joint: A type of joint that is surrounded by a thick, fluid-filled capsule.
- Phalanges: The bones of the fingers and toes.
See Also
External links
- Medical encyclopedia article on Interphalangeal joint
- Wikipedia's article - Interphalangeal joint
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