I've recently had a shocking change of heart as a runner: I no longer dread the treadmill. What changed? For one, poor air quality has left me no other choice. And secondly, I stopped using the ...

Bump up the incline on your treadmill to do a 12-3-30 workout or an uphill climb and you might find yourself reaching for the handrails so that you don’t fall off the back. While it may feel like it’s ...