50 sit ups
25 calorie ski
40 sit ups
20 calorie ski
30 sit ups
15 calorie ski
20 sit ups
10 calorie ski
10 sit ups
5 calorie ski
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50 sit ups
25 calorie ski
40 sit ups
20 calorie ski
30 sit ups
15 calorie ski
20 sit ups
10 calorie ski
10 sit ups
5 calorie ski
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