Century Dictionary and Cyclopedia
- n. In anatomy, an articulation admitting of motion in only one plane; a ginglymus.The elbow-joint is a good example.
“It is an imperfect hinge-joint, permitting of extension and flexion, allowing the first phalanx to pivot on the second, and admitting of the performance of slight lateral movements.”
“-- This also is an imperfect hinge-joint, permitting only of flexion and extension, which movements are more restricted than in the previous articulation.”
“It may be mentioned here that this is the most perfect hinge-joint in the body.”
“The knee is another hinge-joint, which allows the leg to bend freely, but not to be carried beyond a straight line in the other direction.”
“The second of the two pieces is a cast iron bottom, K, which works on a hinge-joint, and which is perforated with a large number of holes for giving passage to the oil that has traversed the hair cloth cushion of which we shall speak further on.”
“For facilitating cleaning, the lamps are arranged so as to turn on a hinge-joint, m; so that, on removing the reflector, o, it is only necessary to raise the arm that carries the burner, r in order to clean the base, s, without any difficulty.”
“The portion of the joint between the ulna and humerus is a simple hinge-joint, and allows of movements of flexion and extension only.”
“The movements of flexion and extension at this joint differ from those in a typical hinge-joint, such as the elbow, in that (a) the axis around which motion takes place is not a fixed one, but shifts forward during extension and backward during flexion; (b) the commencement of flexion and the end of extension are accompanied by rotatory movements associated with the fixation of the limb in a position of great stability.”
“The knee-joint was formerly described as a ginglymus or hinge-joint, but is really of a much more complicated character.”
“It is the longer and larger of the two bones, and in its articulation with the humerus, forms a perfect hinge-joint.”
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