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Crunch Form suggestions: Keep the lower back flat to the ground at all times (even during the crunch). Use your hands to cradle your head but not to pull yourself up. Keep elbows flat out. Chin is not to be touching your chest. Visualize your abs lifting you up towards the ceiling.
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ReinFit is a new, FREE, easy to use yet powerful social fitness network that, in addition to connecting you with other fitness-minded people, tracks your exercises, workouts and body stats.