BS in Physical Therapy from National Taiwan University
MS in Physical Therapy with concentration in Orthopedics from Northwestern University
Post-professional DPT from MGH Institute of Health Professions

Gross Anatomy, Kinesiology, Orthopedics

Knee osteoarthritis, ACL injury, patello-femoral pain syndrome

Orthopedics and sports medicine, lower extremity biomechanics
Practice at Evanston Athletic Clinic, Evanston Northwestern Healthcare

American Physical Therapy Association – Orthopedic Section
Illinois Physical Therapy Association – Assembly representative
Association of Rheumatology Health Professionals

Issa SN, Dunlop D, Chang A, Song J, Prasad PV, Guermazi A, Peterfy C, Cahue S, Marshall M, Kapoor D, Hayes K, Sharma L.  Full-limb and Knee Radiography Assessments of Varus-Valgus Alignment and Their Relationship to Osteoarthritis Disease Features by Magnetic Resonance Imaging.  Arthritis Care and Research. 2007, 57(3): 398-406.

Chang A, Hurwitz D, Dunlop D, Song J, Cahue S, Hayes K, Sharma L.  The association between toe-out angle during gait and protection against
progression of medial tibiofemoral osteoarthritis. Annals of the Rheumatic Diseases. 2007, 66(10):1271-5.
 
Sharma L, Chang A.  Overweight: advancing our understanding of its impact on the knee and the hip. Annals of the Rheumatic Diseases. 2007, 66(2): 141-2.

Chang A, Hayes K, Dunlop D, Song J, Hurwitz D, Cahue S, Sharma L: Hip abduction moment and protection against medial tibiofemoral osteoarthritis progression. Arthritis & Rheumatism 2005; 52(11): 3515-9.

Chang AH, Hayes KW: Muscle dysfunction and wear and tear as causes of exercise-related osteoarthritis: a review. Clinical Journal of Sport Medicine 2005; 15(4): 286-7.

Dayal N, Chang A, Dunlop D, Hayes K, Chang R, Cahue S, Song J, Torres L, Sharma L: The natural history of anteroposterior laxity and its role in knee osteoarthritis progression. Arthritis & Rheumatism 2005; 52(8): 2342-9.

Chang A, Hayes K, Dunlop D, Hurwitz D, Song J, Cahue S, Genge R, Sharma L: Thrust during ambulation and the progression of knee osteoarthritis. Arthritis & Rheumatism 2004; 50(12): 3897-903.

Lin F, Makhsous M, Chang AH, Hendrix RW, Zhang LQ: In vivo and noninvasive six degrees of freedom patellar tracking during voluntary knee movement.
Clinical Biomechanics 2003; 18(5): 401-9.

Chang AH, Lee WA, Patton JL: Practice-related changes in lumbar loading during rapid voluntary pulls made while standing. Clinical Biomechanics 2000; 15(10): 726-34.