Ribeiro likes to use resistance bands -- or booty bands, as he likes to call them -- with clients to incorporate a low-impact leg and glute exercise into workouts. "This exercise is a great way to fire up the glutes, while putting minimal pressure on the knee joint," Ribeiro says. "To begin the movement, place the band just above the ankle, and start in a high squat position. Kick one leg back at a 45-degree angle in a controlled motion, making sure you keep the band taut throughout the movement. Return to your original position, and alternate legs."
Sprinting uphill undoubtedly sucks, but according to Pridgett, it's one of the most efficient ways to improve speed and power. "You'll work your entire posterior chain and be forced to use proper sprinting technique -- like your arm swing and knee drive -- due to your body's position on the incline," Pridgett says. Treadmills make it easy to control the steepness of your hill, as well as the speed at which you'll climb it, making this a workout you can easily tailor to your specific needs.