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2007-04-01 10:59:55 · 2 answers · asked by Anonymous in Health Diet & Fitness

2 answers

very little - you lose more doing cardio for the same amount of time

2007-04-01 12:14:28 · answer #1 · answered by Natalie 7 · 0 0

sit ups are bad for your neck

2007-04-01 11:14:21 · answer #2 · answered by Anonymous · 0 2

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