These are rapid back-and-forth shuttles with one step in between direction changes. Go two steps to the right, then two to the left.
This really focuses on lateral change of direction, and it's a great way to improve coordination and leg strength/power while building structural integrity in the lower body. Higher reps will scorch your quads and lungs.
related posts
Recovery Methods 101
Dan John's been dragging his calloused butt across Terra Firma for a relatively long time, but he only recently realized he'd been wasting a lot of time on assistance exercises and aerobics.
Squat Like You Mean It
If you ain't squatting deep, you're just taking up space in our power rack. Here's what you need to get low.
Tip: Never Do Twisting Sit-Ups
Stop it. You're just asking for trouble. Here's why.
How to Keep Muscle During a Layoff
Whether you're taking a planned break from training or you're struck by sickness or injury, there are plenty of things you can do to prevent muscle loss.