Definition of supinator
: a muscle that produces the motion of supination
Recent Examples of supinator from the Web
There are three types of runners based on foot strike: overpronators (your feet roll inward too much), neutral pronators (feet roll inward slightly) and supinators (feet don’t roll inward enough, so most of the impact is on the outside of the foot).
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Origin and Etymology of supinator
New Latin, from Latin supinare
First Known Use: 1615See Words from the same year
Medical Definition of supinator
: a muscle that produces the motion of supination; specifically : a deeply situated muscle of the forearm that arises in two layers from the lateral epicondyle of the humerus and adjacent parts of the ligaments and bones of the elbow and that passes over the head of the radius to insert into its neck and the lateral surface of its shaft
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