“Speed doesn’t come from faster turnover; speed comes from applying more force down to the ground,” says Rojas. “Power allows runners to generate more force into the ground with each stride, which ...

If you’ve ever taken a physics class, certain formulas, like force equals mass times acceleration, might be ingrained in your memory. It turns out these formulas are useful way beyond high school.

The constant quest to improve performance is a top priority in the world of fitness and sports. Whether you're a high-performance athlete, a fitness enthusiast, or just someone looking to optimize ...