Callie Jo Smith is a former Division I tennis player at the University of Utah who teaches both tennis and pickleball when she’s not traveling on the PPA Tour. It always makes me laugh, but one of the ...

In terms of balance, there's nothing more important than your feet. Your feet are the only thing in contact with the ground while you're in an upright position and yet, it's rare that people focus on ...

The 49ers PREP team presented by U.S. Bank is dedicated to providing drills and activities for youth to stay active at home. 49ers PREP coordinator Ryan Dillard shows how to work on your agility with ...

This is the first in a series of workouts from SI's Nora Tobin that will help you get in shape for tennis season. Check back here each week for the next set of drills in this month's lineup. Tennis ...

To become a better athlete, you must continually increase the difficulty of your training program. For advanced athletes, ladder drills alone don't serve much of a purpose except for a warm-up. Why?

Learning the workout secrets of NFL players isn't easy. We asked former Jacksonville Jaguars defensive back Donovin Darius for the secret to developing quick footwork. When was the last time you saw a ...

Agility—it’s the combo of speed and coordination that enables pro athletes to sprint, stop, turn on a dime, and run again. “Ladder drills improve your speed, boost your coordination, and teach you how ...