"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The idea of stepping on an unstable board might be scary, but trust us, it actually has so many benefits.

Strengthen your core after 55 with 4 chair drills that train rotation, lower abs, and anti-rotation without floor strain.

Seated balance exercises after 65, 4 doctor-recommended moves with expert quotes to improve stability fast and feel safer.

Balance training sounds like something only gymnasts and yoga instructors need to worry about, but it’s actually the most underrated predictor of how gracefully you’ll age and how long you’ll live ...

Avoiding low back pain without deliberately and consistently training your deep core muscles is going to be a losing battle. But let’s clarify this right out of the gate: core workouts are not ...

A powerful, time-efficient workout designed to strengthen your core, improve posture, and carve defined abs at any fitness ...

The path to a stronger core and toned body doesn’t always require gym equipment or floor exercises. Standing workouts offer a practical and effective approach to fitness that can be performed anywhere ...

BestReviews is reader-supported and may earn an affiliate commission. Details. This is an archived article and the information in the article may be outdated. Please look at the time stamp on the ...

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.