from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hinge joint.
from the GNU version of the Collaborative International Dictionary of English
- n. A hinge joint; an articulation, admitting of flexion and extension, or motion in two directions only, as the elbow and the ankle.
from The Century Dictionary and Cyclopedia
- n. In anatomy, a hinge-joint or ginglymoid articulation; a diarthrodial joint permitting movement in one plane only, the result being simple flexion and extension.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a freely moving joint in which the bones are so articulated as to allow extensive movement in one plane
The knee-joint was formerly described as a ginglymus or hinge-joint, but is really of a much more complicated character.
The stifle joint is analagous to the knee joint of man and is to be considered an atypical ginglymus (hinge) articulation formed by the femur, tibia and patella.
The metacarpophalangeal articulation (fetlock joint), is a hinge joint and its articular surfaces contact one another, with respect to their having a long bearing surface from side to side, as do all ginglymus
This also, is a ginglymus joint, having but slight lateral motion, and that only when it is in a state of flexion.
The distal end of the humerus, however, articulating with the radius and ulna in a fashion that no support is lent by any sort of contact with the body, is a ginglymus (hinge) joint and lateral motion, because of the long transverse diameter of its articular portions, is easily prevented by the medial and lateral ligaments (internal and external ligaments).
The best examples of ginglymus are the interphalangeal joints and the joint between the humerus and ulna; the knee - and ankle-joints are less typical, as they allow a slight degree of rotation or of side-to-side movement in certain positions of the limb.
In one form, the ginglymus, this axis is, practically speaking, transverse; in the other, the trochoid or pivot-joint, it is longitudinal.
Distally the metatarsals expand to a form a mediolaterally broad distal ginglymus with deep collateral pits on both medial and lateral surfaces.
The distal ginglymus of both metatarsals I and II is directed medially at an angle of 10 to 15 degrees relative to the proximal ends.
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