Get a Better Butt in 20 Minutes

Ball Run

Targets: Biceps, glutes, abs, quads

• Sit on ball with back straight, abs engaged, feet on floor and a dumbbell in each hand, elbows bent, palms in.
• Keeping upper body still and right knee bent, lift right foot 6 inches while swinging left arm forward and right arm back (as if running).
• Return to start. Switch sides; repeat. Do 20 reps, alternating sides.
Next: Crossover Squat