Together, this trio will give your rear a lift, improve your posture, and may help prevent back pain. Do these exercises at least 3 days a week to look firmer from behind in as little as 6 weeks. Come springtime, you’ll slip into a pair of shorts with confidence.

Plank Lift

Prolonged sitting can cause stiffness in your lower back. Counteract it by practicing this stretch daily. Hug both knees to chest and raise head and shoulders off floor. Hold for 15 seconds, breathing deeply. Release and repeat. More from Prevention: Get A Better Butt At Work!