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Joints | Peer Reviewed Journals
Journal of Bone Research

Journal of Bone Research
Open Access

ISSN: 2572-4916

Joints

Joint, in anatomy, a structure that separates two or more adjacent elements of the skeletal system. Depending on the type of joint, such separated elements may or may not move on one another. This article discusses the joints of the human body—particularly their structure but also their ligaments, nerve and blood supply, and nutrition. Although the discussion focuses on human joints, its content is applicable to joints of vertebrates in general and mammals in particular. For information about the disorders and injuries that commonly affect human joints, see joint disease.

In order to describe the main types of joint structures, it is helpful first to summarize the motions made possible by joints. These motions include spinning, swinging, gliding, rolling, and approximation.

Spin is a movement of a bone around its own long axis; it is denoted by the anatomical term rotation. An important example of spin is provided by the radius (outer bone of the forearm); this bone can spin upon the lower end of the humerus (upper arm) in all positions of the elbow.

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