Stop doing crunches: I tried flutter kicks for a week, and the results surprised me!

Here's what happened when this writer did flutter kicks for a week ...

5 Chair Exercises That Flatten Lower Belly Overhang After 60, According to a Trainer

Chair exercises for lower belly overhang after 60, with CSCS trainer Jarrod Nobbe's cues and a 5-move routine.

5 Morning Exercises That Trim Lower Belly Pouch After 50, According to a Coach

Morning exercises for lower belly fat after 50, from a CSCS fitness trainer, plus 5 moves and form tips to start today.
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.