Sit-ups often come to mind when you think about working your abs or strengthening your core. It’s one of the most old-school, well-known exercises for ab-shredding, but recently, it’s become less and ...

If you still want to build a rippling six-pack in the gym then you need to make sure you’re spending time doing the right exercises and not wasting your time on the wrong ones. Good thing Sports ...

When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While sit-ups have long been a go-to for strengthening the core, they're not always ...

Find out how many sit-ups after 55 signal a strong, healthy core and use this 60-second test to track your strength over time.

What are sit-ups, and why are they a high-risk exercise? An abdominal endurance training exercise, sit-ups help strengthen, tighten and tone the abdominal muscles. It is often done by gym-goers who ...

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 ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Lie on the mat with your arms extended straight up.