Get Fit Quick: Ed Coyle on PYP 448
What’s the most efficient way to exercise for fitness and health? And what’s the most effective? Turns out there’s a single answer to both questions: 4-second all-out intervals.
Read MoreWhat’s the most efficient way to exercise for fitness and health? And what’s the most effective? Turns out there’s a single answer to both questions: 4-second all-out intervals.
Read More