Interphalangeal joints

The Interphalangeal joints (pronunciation: /ˌɪntərfəˈlændʒiəl ˈdʒɔɪnts/) are the hinge joints located between the phalanges (bones) of the human hand and foot.

Etymology

The term "Interphalangeal joints" is derived from the Latin words 'inter' meaning 'between', and 'phalanges' referring to the bones of the fingers and toes.

Anatomy

Interphalangeal joints are divided into two categories: the proximal interphalangeal joints (PIP) and the distal interphalangeal joints (DIP). The PIP are the joints in the middle knuckles of the fingers and toes, while the DIP are the joints closest to the end of the fingers and toes.

Function

The primary function of the interphalangeal joints is to facilitate the bending and straightening of the fingers and toes, which is essential for various activities such as gripping, walking, and manipulation of objects.

Related Terms

Phalanges: The bones of the fingers and toes.
Hinge joint: A type of joint that allows movement in one direction, similar to the opening and closing of a door.
Proximal interphalangeal joints (PIP): The joints in the middle knuckles of the fingers and toes.
Distal interphalangeal joints (DIP): The joints closest to the end of the fingers and toes.

External links

Medical encyclopedia article on Interphalangeal joints
Wikipedia's article - Interphalangeal joints

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Interphalangeal joints