Originally Posted by r1p00pk
so far ive been doing sprints 8 times uphill 100 yards. I was thinking of buying those little parachutes for running. Good investment?
so far im doing some research but all i know is that too much resistance is bad, ruins form etc. Can any of the fitness guru's here care to enlighten me
Wont do you any good, running uphill. Should only be used running on a track at speed.