Arthritis & Sports | Orthopaedics, Physical Therapy, and Wellness | 441 followers on LinkedIn. Our quality of care enhances your quality of life! | We are a world class orthopaedic and physical therapy center offering a comprehensive range of orthopaedic services, specialties, diagnostic procedures and rehabilitation, located in Sterling and South Riding. While well respected locally, we treat many patients from across the United States and internationally. We serve patients of all ages, specializing in arthritis, sports-related injuries, problems and injuries of the knee, hip, shoulder, foot, wrist, elbow, neck and back pain.