Walking, a seemingly simple act, is frequently debated as a sufficient form of exercise for overall health and fitness.

It’s also my favourite because I know there is a simple, achievable way to get definition there. A bit of backstory. I’ve always had OK arms. Relatively slim, yes, but with little to no definition.

You don't want to be figuring this out during the emergency. You need to move quickly and save lives," Mary Denigan-Macauley ...