I remember growing up thinking that 40 sounded old. Fast-forward a couple of decades, and as I approach 44, I've realized just how wrong I was.
Staying strong in your 40s isn't about “starving yourself or doing thousands of crunches,” says fitness coach and founder of @aeme_fitness, Amy-Jo Simpson. Instead, she believes one of the best ways to build a stronger core is to ditch crunches altogether and focus on exercises that target your deep core muscles.