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Flat Belly Workout
Do this workout regularly, and your pants will fit better. But even better: you'll move with ease, prevent lower back injury and pain, and improve your posture. The circuit works by using isometric holds and explosive bursts to directly target your core. While many ab exercises rely too much on your hip flexors and your back, these exercises focus on good core alignment, so you can avoid tight hips or back injury. I even added a couple squats to give your butt and thighs a little extra love.