Photo credit:
Nate Millado and Getty Images
The non-stop circuit for six-pack abs when you're tight on time.
![man with six-pack abs man with six-pack abs](http://www.mensfitness.com/sites/mensfitness.com/files/article_images/absman_main.gif?1361377641)
Meetings at work run late or a family obligation pops up - there's tons of reasons why your schedule is too jam-packed to squeeze in a workout.
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