The Fitterfirst Pro Fitter 3D Cross Trainer may require some balance and coordination, but it was developed to provide 20 different upper body, core and lower body workouts. With these users can achieve that better balance, coordination and overall agility, while working on core strength and stability. The makers also promise that it can help reaction skills, while allowing users to work on cardiovascular endurance and even awareness – all of which can reduce the risk of sports injury.