Why HIT Training Works
HIT Training and the Philosophy Behind It Dr. Kenneth Cooper started the running/aerobics craze around the time Nautilus was founded in the early 1970’s. The… Read More »Why HIT Training Works
HIT Training and the Philosophy Behind It Dr. Kenneth Cooper started the running/aerobics craze around the time Nautilus was founded in the early 1970’s. The… Read More »Why HIT Training Works