Slim-O-Matic: How to Get a Flat Belly
Do 3 sets of 15 bicycle crunches 2–3 times a week, plus 30–45 minutes’ worth of run-walk intervals (2 minutes each) 4–5 times a week. You’ll notice big results in just 4 weeks.
Do 3 sets of 12–15 crunches on a stability ball 2–3 times a week to sculpt your belly in 3 weeks.
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