Lanza Fitness Personal Training 19524 Nordhoff St, Northridge, CA91324 Lanza Fitness is not your usual neighborhood fitness center. Head trainer/owner James Lanza is an integral part of the…More Northridge community. There are specialized classes for student athletes, seniors, pre-military training and open membership. James writes a fitness blog and the gym has a Twitter and Facebook page. Nutritional counseling is also available.