No equipment needed! This one is a bit strong in the hip flexors, so it will help augment the overall core. Make sure to keep your form correct. Your job: do as many reps with good form as you possibly can in the 20 seconds of exercise - push it hard! Then rest. The goal is to go all out and use the rest periods to transition and relax. Studies show that this type of interval training maintains a residual cardio effect that boosts calorie burning longer than traditional cardio.
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Exercise Mat
