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isometrics

Definitions of isometrics
  1. noun
    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)
    synonyms: isometric exercise
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    type of:
    exercise, exercising, physical exercise, physical exertion, workout
    the activity of exerting your muscles in various ways to keep fit
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