The SPRING RESISTANCE FOLDING TRAMPOLINE allows healthy, progressive exercise in the comfort of the home, office or gym. Utilizing body weight, gravity, thrust and inertia, this form of exercising modifies your body weight and takes the body through periods of weightlessness. By adding dumbells or weights to your routine, you can progress to a more complete cardiovascular workout. 38 diameter Rugged, all-steel frame construction Folds for easy storage Safety pad Heavy-duty rebounding surface Spring
