Welcome to Functional AF - Best Personal Training Gym in Perth, Established in 2018. With a combined 35 years of training clients, founders Sam and Rhys created Functional AF so that motivated individuals can achieve their health and fitness goals through our 3 Fundamentals Lifestyle, Nutrition, and Training. We work one-on-one with you to implement the power of science-backed training and lifestyle choices that cater specifically to your situation and goals.