Isometric exercises are exercises that cause a muscle to contract and do work while joints do not move, for example, pushing against a wall.
Exercises that work opposing muscle groups to increase tone without shortening the muscles.
a system of exercise in which opposing muscles are contracted. There is little movement even though both muscle sets are exerting force
Exercise or a system of exercises in which opposing muscles are so contracted that there is little shortening but great increase in tone of muscle fibers involved.
Exercise training that involves pushing against a stable object to achieve muscle toning.