Ranger School’s new fitness test is tougher than ever, but nixes sit-ups
Soldiers trying to earn the Army Ranger tab will have to do more challenging functional fitness exercises starting day one.
I ditched sit-ups for this standing ab exercise for a week — here's what happened to my core
Place your hands by your temples, with your elbows pointing out to the side. Lift your left knee, and at the same time, bend ...
Tom's Guide20d
Forget weights and sit-ups — this 10-minute standing ab workout will blast your core
As much as I love a good set of crunches and sit-ups, there are times when I’d prefer not to have to unroll my yoga mat and lie down on the floor. When I’m traveling, for example, or when ...