Strength Training Basics With Gay Gasper Learn what it takes to teach a creative, functional and effective total body conditioning class to add muscle to your group exercise class. To access this content, you must purchase Strength Training Basics, 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.