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 ...

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 ...

Core training has always been part of military PT and fitness testing. From crunches to sit-ups, flutter kicks, leg tucks and plank poses, the U.S. military uses many exercises to test core strength.

There are many ways to tell if people are healthy. Some indicators of good health are so simplistic that you may never have heard of them. One of the simplest tests of health I know of is referred to ...

President Donald Trump on Thursday reestablished the Presidential Fitness Test for American children, a fixture of public schools for decades that gauged young people’s health and athleticism with ...