You can drop to the floor and rep out situps almost anywhere you want when the desire strikes, and the exercise's simple ...

You don't have to be a die-hard Friends connoisseur to know some of the sitcom's signature phrases. Whether Charlie the ...

A former Navy SEAL recommended multiplying the maximum number of sit-ups you can do in a minute by three. Do this total for 10 consecutive days — aim for 20 to 25 sit-ups per 30-second set.