Before you dive into a new cardio routine, figure out your resting heart rate (RHR), says Carnation. For most people, it’s ...

But the first time I saw mine? At 43 years old. This was after three babies (my kids are 12, 12 and 8), and while working the ...

The whole shebang usually took 45-60 minutes. I did four strength-focused workouts, plus a three- or four-mile run ... strong ...