Dr. Mark Muilenburg has transitioned from family practice to musculoskeletal and sports medicine at Orange City Area Health System. With over 20 years experience diagnosing and treating active kids, high school and college athletes, weekend warriors, and senior citizens, Dr. Muilenburg is now focused on diagnosing and treating injuries to the body’s joints, muscles, and bones; using ultrasound and ultrasound-guided injections for the evaluation and treatment of acute and chronic injuries; and medical problems that arise during sports participation, like exercise-induced asthma and concussions. Dr. Muilenburg works with athletic trainers and physical therapists to create exercise programs and rehabilitation plans for rapid return to play. He also works closely with orthopedic physicians, and can expedite referral when surgery is required. For appointments call the Orange City medical clinic at 737-2000.