From Wikipedia, the free encyclopedia (Redirected from Interphalangeal articulations of hand) The interphalangeal joints of the hand are the hinge joints between the phalanges of the fingers that provide flexion towards the palm of the hand. There are two sets in each finger (except in the thumb, which has only one joint):
In the wrist there is the radiocarpal joint between the radius and carpus. Between the carpal bones are the intercarpal articulations and the midcarpal joint. The carpometacarpal joint connects the carpal bones to the metacarpus or metacarpal bones which are joined at the intermetacarpal articulations.
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Interphalangeal joint may refer to: Interphalangeal articulations of hand. Interphalangeal articulations of foot. Disambiguation page providing links to topics that could be referred to by the same search term. This disambiguation page lists articles associated with the title Interphalangeal joint.
interphalangeal articulations of hand (the hinge joints between the bones of the digits) metacarpophalangeal joints (where the digits meet the palm) intercarpal articulations (where the palm meets the wrist) wrist (may also be viewed as belonging to the forearm).
This should be uncontroversial, unless the phrase "interphalangeal articulations of hand" is known to be the accepted term. I don't know much about anatomical terminology. :) Same thing goes for Interphalangeal articulations of foot. — Quuxplusone 17:13, 21 May 2009 (UTC) Survey
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The PIP joint exhibits great lateral stability. Its transverse diameter is greater than its antero-posterior diameter and its thick collateral ligaments are tight in all positions during flexion, contrary to those in the metacarpophalangeal joint.
The only movements permitted in the interphalangeal joints are flexion and extension. 1. Flexion is more extensive, about 100°, in the PIP joints and slightly more restricted, about 80°, in the DIP joints. 2. Extension is limited by the volar and collateral ligaments. The muscles generating these movements are: The relative length of the digit varies during motion of the IP joints. The length of the palmar aspect decreases during flexion while the dorsal aspect increases by about 24 mm. The useful range of motion of the PIP joint is 30–70°, increasing from the index finger to the little finger. During maximum flexion the base of the middle phalanx is firmly pressed into the retrocondylar recess of the proximal phalanx, which provides maximum stability to the joint. The stability of the PIP joint is dependent of the tendons passing around it.
Rheumatoid arthritis generally spares the distal interphalangeal joints. Therefore, arthritis of the distal interphalangeal joints strongly suggests the presence of osteoarthritis or psoriatic arthritis.
This article incorporates text in the public domain from page 333 of the 20th edition of Gray's Anatomy (1918)
Distal interphalangeal joints are the articulations between the phalanges of the hand or foot. This term therefore includes: Interphalangeal articulations of hand. Interphalangeal articulations of foot. This article includes a list of related items that share the same name (or similar names). If an internal link incorrectly led you here, you ...
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