Add Yahoo as a preferred source to see more of our stories on Google. Besides a background check, FBI applicants must pass a physical fitness test that consists of sit-ups, push-ups, a 300-meter ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. It’s kind of strange, ...

Sit-ups may seem old-school, but they remain one of the most straightforward and revealing measures of real-world core strength. In just a single minute, you can test your endurance, mobility, and ...

Think you can stomach the FBI’s sit-up test? The FBI accepts applications from people between 23 and 37 — though veterans may qualify for an age waiver. Besides a background check, applicants must ...