Some people work on their core because they’re hoping for a 6-pack or a flat tummy. But having a sturdy core provides you with much more than a toned look. A strong core — which includes the back, ...

I have an on-again, off-again relationship with exercise. There was a time in my 20s when I worked out consistently. I took a mix of fitness classes, such as boxing, cardio dance, HIIT and even ...