An alphabetical list of fitness terms explained in a simple, easy to understand way. To make a suggestion or let me know of a correction, send me a brief email here.
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The total range of movement at a joint or series of joints in the body. Varies wildly between individuals and can be improved through regular stretching.
A hormone in the body responsible for stimulating appetite and the secretion of growth hormone.
The term used to describe the increase in muscle size associated with muscle growth.
A contraction where the muscle creates tension without changing length. For example, holding a wall squat.
A contraction where the tension in the muscle remains constant even as the muscle changes length. For example, lifting an object.