isometric exercise

isometric exercise Word Origin noun

1. exercise or a program of exercises to strengthen specific muscles or shape the figure by pitting one muscle or part of the body against another or against an immovable object in a strong but motionless action, as by pressing the fist of one hand against the palm of the other or against a desk.
2. any specific exercise of this type.

Origin of isometric exercise First recorded in 1965–70 isometric exercise in Medicine isometric exercise n.

1. Exercise performed by the exertion of effort against a resistance that strengthens and tones the muscle without changing the length of the muscle fibers.