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Uploaded by marmotpro on Oct 5, 2010
Marmot Athlete Beth Rodden attempts some weighted sit-ups. it looks hard.
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that is crunches.. this is situps...
sankaranid 4 months ago
I'm wondering, is it correct to lift your lower back above the mat? Some fitness specialists say you should keep your lower back laid on the ground.
mloskot 1 year ago
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that is crunches.. this is situps...
sankaranid 4 months ago
I'm wondering, is it correct to lift your lower back above the mat? Some fitness specialists say you should keep your lower back laid on the ground.
mloskot 1 year ago