Plyometric training

Every style of jump tested went higher, and the dip-then-jump that every sport actually uses went up the most.

Who it's forAny man who lifts heavy but can't move fast, and anyone who plays a sport with a sprint in it.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.