The new LEAP IT II is designed as an economical way to improve vertical jump by increasing the load or resistance on the lower body. Partners hold the resistance cords to the floor. Maximum benefits include increase in vertical jump, jumping endurance, strength of stabilizing muscles and aerobic conditioning. The LEAP IT II can also be used to train a specific sports skill while resisted, e.g.; volleyball blocking, passing, spiking; basketball jump shot, rebounding. The LEAP IT II is also a total body conditioner. Exercises included to work upper and lower muscle groups