Range of motion
Range of Motion
Range of motion (pronunciation: /reɪndʒ ɒv məʊʃən/) is a term used in the field of physiotherapy and orthopedics to describe the full movement potential of a joint, from flexion (bending) to extension (straightening).
Etymology
The term "range of motion" originates from the English words "range" meaning extent or scope, "of" as a function word to indicate a point of reckoning, and "motion" meaning an act, process, or instance of changing place.
Definition
Range of motion is the full movement potential of a joint, usually its range of flexion and extension. For example, a knee might move from 0 degrees of flexion to 130 degrees of flexion. This can be influenced by a number of factors, including soft tissue constraints, active insufficiency, and passive insufficiency.
Related Terms
- Flexion: The action of bending or the condition of being bent, especially the bending of a limb or joint.
- Extension: An act of moving a limb from a bent to a straight position.
- Joint: A point at which parts of an artificial structure are joined.
- Physiotherapy: The treatment of disease, injury, or deformity by physical methods such as massage, heat treatment, and exercise rather than by drugs or surgery.
- Orthopedics: The branch of medicine dealing with the correction of deformities of bones or muscles.
See Also
External links
- Medical encyclopedia article on Range of motion
- Wikipedia's article - Range of motion
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