Rebounding is also known to stimulate all internal organs. When you jump on a rebounder, you are working against constant gravitational pressure. Every time you land, every cell in your body contracts, which helps to pull waste from the cells. In return, your cells are fed oxygen and nutrients from the blood stream. The up and down motion of rebounding also activates the lymphatic system, which is the garbage can in the body.
Everything that is bad for you, such as heavy metals and other toxins get filtered out through the lymphatic system. Unlike blood that gets pumped by the heart, your lymphatic system has no pump. The lymphatic system requires movement to activate the flow of lymph, and human beings have more lymph in their bodies than blood.