If you’re not a fan of sit-ups and crunches then you can stay standing with this 10-minute, 4-move abs workout that uses a dumbbell and a resistance band.

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 ...

When most people think of core exercises, they think crunches and sit-ups – possibly because the tactical professions have used them for decades. But given recent changes in military testing, the next ...