1. Isometric exercise is to exercise by muscle that is perfect for those who don't have time to exercise. Working on a computer screen, such as squeeze grip an object, push the wall etc.
1. Isometric exercise is exercise the muscle in place for those who do not have time to exercise. Working at the computer screen as the object of squeezing grip pressure and wall.
1. Isometric exercise is exercise by muscle contraction that is suitable for those who have no time to exercise? Work on the computer screen, such as compression of the objects. The wall, etc.