Repeat this 5-minute interval 4 times: Walk for 1 minute (at a similar speed to the last minute of your warmup) at 0% incline ...

But to get the benefits of HIIT, you need to be ready to work hard. A true HIIT session involves short bursts of intense ...

Start with a beginner's class and take the advice of your instructor to determine when you're ready to move up into the intermediate set. It's also important to start slowly in your routine ... Take ...

To help you get started, I talked to personal trainers about how to do an at-home dumbbell workout for beginners and what to know before adding strength training to your fitness routine.