isometrics n 1: 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) [syn: {isometrics}, {isometric exercise}]
isometric exercise \i`so*met"ric ex"er*cise\, n. A system of exercise to strengthen specific muscles of the body by pushing parts of the body (such as the two hands) strongly against each other, or against a fixed object, so that the muscles are strongly stressed, but are stretched only a little. It is claimed to produce strength in the muscles thus exercised. Also called {isometrics}. [PJC]
isometrics \i`so*met"rics\, n. Same as {isometric exercise}. [PJC]