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how do u do a crunch?
many ppl say that crunches r better than sit ups but i want to know how to do a crunch and what is its difference from a sit up
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i prefer crunches, and you cross your calves over your knees and just kind of do half situps, they dont hurt your neck as much:)
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I really don't know, you should ask your p.e. teacher
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Well here are some videos on how to do them:
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You will notice that they use weighted crunches (with a weight behind the head)... that of course is only neccessary if they are too easy.
The general notion is that crunches target the abdominals more, while sit ups use the hip flexors to some degree. Also, sit ups put pressure on the lower back which can also make them less comfortable/safe to do.
Oh, one final note on the videos. Its important not to pull your head up when doing the crunch. In the video it looks a little like he is doing that, but in reality he is just holding the weight against his neck, not pushing against it.
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