Search Results normative data for 14 year old sit up test
How many sit ups for a six pack?
| Author: Doctor
First and foremost, stay away from any ab machine you see on TV as they are simply a waste of money and barely effective. The abdominal muscles work just like any other muscle and have to be challenged as such. If you want muscular abdominals, you have to challenge them with resistance and good form [...]
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