Mr. White also suggests using commercial breaks to do push-ups, sit-ups, or burpees (also known as thrust squats).

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To avoid being discharged, he would have to run three miles in less than 33 minutes, do 100 sit-ups in two minutes and manage three pull-ups.

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"Right before the IED went off, it didn't ask me how many push-ups or sit-ups I could do, " said Ms. Hunt, one of the women who filed a lawsuit last year to challenge the ban.

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Mr. White points to Herschel Walker, the former Dallas Cowboys running back, who was known to do more than 1, 000 push-ups and sit-ups by the end of every day.

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We're going to do the last leg of the competition down here - the curls, or the sit-ups.

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