To improve muscle power of the legs.
Warning: Last items in stock!
This material increasingly prevalent within the physical preparation is an excellent load simulator to improve muscle strength in the legs travel.
Simple to fix, thanks to its velcro belt, it requires no special skills to use. Hardly, you begin to run until the parachute Gongle and opposes a resistance proportional to the running speed.
Imagine that you run into a staircase. This is exactly what simulates the parachute. Hence its appeal.