Orthopedic surgeons treat musculoskeltal problems. Orthopedics is concerned with acute, chronic, traumatic and recurrent injuries taking into consideration the pathology, genetics, intrinsic, extrinsic and biomechanical factors involved. Orthopedic surgeons are MDs or DOs and have a minimum of five years of advanced residency training and may serve a fellowship for training in any of several sub-specialty areas, such as Sports Medicine, Trauma, Adult Reconstruction, Hand Surgery, Foot & Ankle Surgery, Spine Surgery, Rheumatology, Pediatric Orthopedics, Geriatric Orthopedics, or Industrial Medicine, just to name a few. Orthopedic Surgeons treat patients using surgical and non-surgical methods to correct problems. Orthopedic surgeons work closely with many Allied Health professionals, such as Athletic Trainers, Physical Therapists, Occupational Therapists, Physical Medicine & Rehabilitation physcians and other physicians in related fields in the treatment of patients.