It’s no secret that adding cardio into your fitness routine is a sure-fire way to increase that heart rate, burn calories and build endurance. But when it comes to choosing a low-impact option that ...

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 ...

“Traditional walking on a treadmill is an easy task but, once you add that incline, you now have to work against gravity to ...

Meredith Dietz is Lifehacker’s Senior Staff Writer. She earned her bachelor’s degree in English and Communications from Northeastern University, where she graduated as valedictorian of her college.