While walking or using the stair-climber or another cardio machine, you might focus on your breathing or heart rate to gauge how hard you’re working. That’s a perfectly good approach—but it won’t tell ...

Based on research by Dr. Arnold Meshkov, Mayo Clinic, and more. Your step count doesn’t just tell you about how many calories ...

Cardiologist Dr. Puneet Verma shared a simple 3-minute "step test" to assess cardiovascular fitness. Participants step up and down on a 12-inch platform for three minutes, completing 72 steps.