20 sit ups per minute for 10 minutes (200 total sit ups)
For those who get the irritated tailbone from sit ups, do 5 minutes sit ups, then choose something else for the remaining 5 minutes--such as:
10 push ups per minute
30 squats per minute
15 ab rollers per minute
20 V-ups per minute
Saturday, June 12, 2010
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20 sit ups for 5 minutes
ReplyDelete15 ab rollers for 5 minutes