isometric exercise

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i′somet′ric ex′ercise

1. a program of exercises in which a muscle group is tensed against another muscle group or an immovable object so that the muscles may contract without shortening.
2. any specific exercise of this type.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.isometric exercise - muscle-building exercises (or a system of musclebuilding exercises) involving muscular contractions against resistance without movement (the muscles contracts but the length of the muscle does not change)
exercise, exercising, physical exercise, physical exertion, workout - the activity of exerting your muscles in various ways to keep fit; "the doctor recommended regular exercise"; "he did some exercising"; "the physical exertion required by his work kept him fit"