Total Crunch lets you work out your entire body in just one dynamic, continuous movement. You’ll achieve toned legs, higher and firmer glutes, a slimmer waist, a toned back and stronger arms as you burn calories and lose weight while shaping and building muscle .
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Ab Crunch Machine Besides being awkward-looking and hard to adjust, the ab crunch machine is bad for your lumbar spine —and a waste of time, if it’s a six-pack you’re after. Abdominals are made in the kitchen, for the most part, by reducing body fat with a disciplined, healthy diet.
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