Cardio Fusion With Gay Gasper Combine Cardio and Strength and you'll get this workout! This DVD Combines step and strength training intervals into a complete cardio workout. To access this content, you must purchase Cardio Fusion, OnDemand Monthly Subscription Payment Plan, OnDemand Annual Subscription, OnDemand Monthly Subscription, OnDemand 6-Month Subscription or OnDemand 2 Year Subscription or log in if you are a member.