28 ATHLETIC TRAINING EQUIPMENT OTHER THAN THOSE DESIGNED FOR USE IN AQUATIC ACTIVITIES; NAMELY, RESTRAINT STRAPS AND HARNESSES FOR PLYOMETRICALLY IMPROVING RUNNING SPEED, JUMPING SKILLS, REACTION TIMES, POLE VAULTING SKILLS, THROWING SKILLS AND MUSCULAR STRENGTH, WEIGHTED JUMP ROPES, WEIGHTED TRAINING VESTS, PORTABLE JUMPING PLATFORMS, STANDS FOR SUSPENDING BASKETBALLS, FOOTBALLS AND VOLLEYBALLS TO IMPROVE TIMING AND JUMPING ABILITY, AND EXERCISE EQUIPMENT CONSISTING OF AN ADJUSTABLE STEEL BASE WITH CROSS ROPES