This 9-minute ab workout uses one piece of equipment to build a stronger, more functional core

Carve out just nine minutes a day, five to six times a week, and watch how your core transforms.

The 4 Best Core Workouts to Hit Your Abs From Every Angle

According to experts, it takes just four core workouts to absolutely rip your top half to shreds, so you can get stronger.
Tom's Guide

Forget weights — this bodyweight workout strengthens your abs in just 7 moves

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I did a 12-minute abs workout every day for 2 weeks and the results surprised me

The bodyweight moves packed a punch.

5 Chair Exercises That Trim Belly Overhang Faster Than Weight Training After 60

Chair exercises to lose belly fat after 60, with expert guidance from James Bickerstaff, CPT, for a safer core routine.
Military.com

The Best Core Training Methods: Focus on Stability, Rotation and Movement Coordination, or Just Lift Weights?

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.
Health.com

7 Standing Exercises That Can Help You Build a Stronger Core—No Sit-Ups Required

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. Standing ab exercises ...