While approaching stairs, you're not warmed up-- your muscles are cold, your heart rate is low and your body is not ready to move suddenly. When you start climbing, you're essentially doing single ...

that looming flight of stairs can make you really start to doubt your fitness prowess—especially when you know you’ll be ...

Start your Independent Premium subscription today ... Research shows you burn about 20 times more calories going up stairs than walking on flat ground. Even going down stairs you burn roughly ...