Summary: Any Mode: This Cardio Interval workout can be used while walking outdoors, on a treadmill, or using a bike or elliptical machine. It doesn't matter what type of cardio you are doing!
Summary: Any Mode: This Cardio Interval workout can be used while walking outdoors, on a treadmill, or using a bike or elliptical machine. It doesn't matter what type of cardio you are doing!