How heavy do I load sled sprints?
I've seen posts saying 30% of BW is optimal, I've also seen posts that say to only use 10% of BW. So how heavy should I actually load for 20m sled sprints?
I've seen posts saying 30% of BW is optimal, I've also seen posts that say to only use 10% of BW. So how heavy should I actually load for 20m sled sprints?