The above title describes a simple and inexpensive tool. Although I am not plugging Wal Mart, they are available there for about $30. The mini-trampolines strengthens every cell, not just groups of muscles. It can be used as a healing tool. Five minutes of a moderate jog is equal to the results of 5 miles of jogging and is easier on your back, etc. They are valuable as a learning tool and can be used while watching TV in the comfort of your home. You can actually gain energy when using them instead using energy as in other forms of exercise. Learn more from the chapter on Rebound Exercise in the Personal Assisted Learning manual at http://www.psaes.info.
