Welcome to the AOS - Advanced Orthopaedic Specialists.
Dr. Terry Sites, Dr. Mark Powell, Dr. Christopher Arnold, and Dr. Wesley Cox are the AOS - a group of four MD orthopaedic surgeons with advanced fellowship training in sports medicine.
The AOS has a combined 60 year history of success in the practice of sports medicine, joint replacement, shoulder repair, knee reconstruction, cartilage restorarion, fracture care, and more.
We are experts in the areas of minimally invasive techniques and most surgeries are performed on an outpatient basis at the Physicians Specialty Hospital (PSH). The PSH is a unique state of the art surgical facility devoted to only a few specialty areas and allows focused care that can not be matched by large general hospitals.
We are proud to be recognized by the University of Arkansas for our accomplishments and grateful to be the exclusive providers of orthopaedic care for all Razorback athletes.
We are just as grateful you would consider AOS to be your orthopaedic choice. We will be carefully devoted to you from initial evaluation to treatment and throughout the process of recovery.
Please call 479-442-4647 (HOGS) for appointment services. No referral needed. Most insurance accepted.
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Arthroscopy/ Meniscal tears
Knee/ ACL reconstruction
Ligament Repair
Total knee Replacement
Arthroscopic Rotator Cuff Repair
Arthroscopic Shoulder Instability
Shoulder Replacement
Frozen Shoulder
Arthroscopic Impingement
Hip Replacement
Ankle Arthroscopy
Carpal Tunnel Release
Cartilage Restoration
Fracture Care
Dr. Terry Sites is a double board certified orthopaedic surgeon. After spending his childhood in Little Rock, he played basketball for Missouri State University followed by graduating at the top of his class from the University of Missouri Medical School. He completed his orthopaedic residency at the Univ. of California - Davis in 1990 followed by a fellowship in Sports Medicine at Baylor College of Medicine. He is an advanced specialist in the areas of arthroscopy, joint replacement, fracture care, cartilage restoration, knee reconstruction and rotator cuff repair.
He has 24 years of experience in orthopaedics including academic research and private practice. His experience includes working with the Houston Astros, Sacramento Kings, Houston Oilers, Univ. of Houston Cougars, and 17 years as the team doctor for Springdale High Schools. He has returned many patients; young and old, athlete and fan, back to the field of life.
He has a long standing history of success exemplified by his multiple awards as One of Americas Top Orthopaedic Surgeons.
Dr. Mark Powell is a double board certified orthopaedic surgeon and a native of Fayetteville, Arkansas. An accomplished athlete and world class fly fisherman, he completed an orthopaedic residency at the Univ. of West Virginia followed by a distinguished sports medicine fellowship at Washington Univ. in St. Louis.
Dr. Powell is an advanced expert in arthroscopy and reconstructive surgery of the knee and shoulder, including knee replacement, fracture care and sports medicine. He is a well respected innovator in orthopaedics having designed a clinically proven patented splint for the treatment of plantar fasciitis. He has been practicing orthopaedics in Fayetteville since l997, has numerous professional achievements including UAMS Clinical Faculty Teacher of the Year 2000-2001, and is one of the Top 40 under 40 Professionals in Northwest Arkansas.
Dr. Powell’s sports training included working with the St. Louis Rams, St. Louis Blues and Washington Univ. athletes. He has been the team doctor of Fayetteville High School for 12 years in addition to caring for numerous other athletes and people in all walks of life.
Dr. Christopher Arnold is a board certified orthopaedic surgeon and a native of Northwest Arkansas. He is a graduate of UAMS Medical School and completed his orthopaedic residency at Harvard Medical Center in Pennsylvania. In 1998 he completed a sports medicine fellowship at the distinguished Harvard/Massachusetts General Hospital.
Dr. Arnold is an advanced specialist in arthroscopy, knee replacement, cartilage restoration, shoulder repair, fracture care and sports medicine. He has been practicing in Northwest Arkansas since 2000. He has published extensively in the medical journals relating to sports injuries of the knees and he continues to develop and adapt minimally invasive techniques to improve results and accelerate recovery.
Dr. Arnold’s training included working with the New England Patriots, Boston Bruins, and the entire Harvard collegiate teams. In recent years he was recognized as one of the Top 40 Under 40 Professionals in Northwest Arkansas. Currently, he is one of Arkansas finest orthopaedic surgeons.
Dr. Wesley K. Cox is a Fayetteville native. He graduated Magna Cum Laude in 1998 from Auburn Univ. He then attended medical school at UAMS and was inducted into Alpha Omega Alpha, a national honor society that includes only the best. This was followed by Orthopaedic Residency at UAMS and he was again honored as Resident of the Year in 2004.
Dr. Cox has recently returned from San Francisco after completing a sports fellowship with Eugene Wolf, an internationally recognized pioneer in arthroscopic treatment of complex shoulder injuries, disorders and sports injuries. Dr. Cox worked extensively with professional athletes in the Bay area. He is an advanced specialist in the areas of arthroscopic shoulder and elbow surgery. He performs all levels of shoulder replacement including reverse total shoulder. He is an expert in elbow reconstruction including ‘Tommy John’ surgery.
The AOS welcomes such a highly decorated and well trained orthopaedic specialist.
Contact us:
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