John B. Perry, PT, CSCS, FAFS, CAFS, 3D MAPS, is an APTA Licensed Physical Therapist with over 20 years of experience in sports/fit out patient, hospital, home and skilled settings. The author of 'Hip To Be Fit', Mr. Perry has developed and presented programs nationally and internationally on lower extremity injuries, proprioception, movement awareness and Applied Functional Science principals for patients and clients of all types and purposes. An NSCA Certified Strength and Conditioning Specialist, Fellow of Applied Functional Science and Certified in AFS as well as 3D MAPS functional testing system, Mr. Perry utilizes his background in orthopedic injury rehab, functional lower extremity anatomy, and movement awareness to bring a unique and comprehensive approach to gait analysis.