The Just Jump system is an excellent entry level jump mat that is being used extensively in Performance Sport. Hand held computer displays height and hang time for one jump, ground contact time for one jump and average height and flight time for four jumps. Computes foot quickness (shuttle runs and dashes) and explosive leg power rating. Records 60 jumps, then averages heights, contact times and leg power for first and last 15 jumps, in addition to a fatigue factor rating. Battery operated. 27" x 27" mat.
