This is a classic bodybuilder pose—but TikTok trends claim it will train your six-pack. Experts break down the truth.

Fitness trainer Jill Brown told The Post that bodies change as we get older — and those changes need to be considered to get rid of belly fat. Jill Brown Brown acknowledged that it’s absolutely harder ...

A flat tummy after 40 is possible — and 57-year-old trainer Jill Brown would know. Brown, a certified master health fitness ...