The BOSU? Pro Balance Trainer is currently used in fitness, sports conditioning and rehabilitation facilities. It is known industry-wide for balance, strength and flexibility training, as well as delivering a killer cardio workout that?s fun. The BOSU? Pro Balance Trainer challenges the entire body with integrated, multi-joint movements requiring muscle groups to simultaneously work together. The BOSU? Pro Balance Trainer is designed for commercial use, great for personal trainers, physical therapists, and fitness instructors. It is designed with a patented non-slip, dually over-moulded base meant to withstand continual daily gym usage.