CXWORX™ is the revolutionary new core training program from Les Mills. CXWORX™ is designed to tighten and tone your core muscles while improving functional strength for balance, mobility, and injury prevention. The workout consists of exercises that both isolate (like crunches and leg extensions) and integrate (like standing balance and hovers) the various muscle groups. Les Mills CXWORX™ is low impact and low cardio. Just bring your strength and determination This class caters to all levels.