Chris Fanning

Boost your butt, improve balance, and prevent injury with these easy core-strengthening moves. Workout based on moves from the National Academy of Sports Medicine.

Beginner: Single-Leg Squat

Targets: Abs, glutes, quads, and hamstrings

• Stand with feet hip-width apart, knees slightly bent, abs engaged, hands on hips.
• Lift right foot a few inches off floor. Squat on left leg, keeping knee behind toes.
• Stand back up. Do 12 reps, keeping right foot lifted the entire time.
• Switch sides; repeat.