Abby L.  Cheng, MD

Abby L. Cheng, MD

Assistant Professor, Orthopaedic Surgery

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(314) 514-3500

Dr. Cheng specializes in the evaluation and nonoperative management of all musculoskeletal injuries and conditions, with an emphasis in treating young adult hip problems and sports-related injuries.

Common Diagnoses Treated

  • Acute injuries
  • Back pain
  • Foot and ankle pain
  • Herniated discs
  • Hip and knee pain
  • Injuries in musicians
  • Joint, tendon, ligament, and muscle injuries
  • Osteoarthritis
  • Overuse injuries
  • Pregnancy-related musculoskeletal pain
  • Radiculopathy (sciatica)
  • Shoulder and elbow pain
  • Sports-related injuries, including injuries resulting from ultimate frisbee, tennis, basketball and soccer
  • Young adult hip problems

Common Procedures

  • Fluoroscopically-guided injections
  • Musculoskeletal and neuromuscular ultrasound
  • Electrodiagnostic studies (EMG/NCS)
  • Ultrasound-guided injections

Clinical Office Locations

Hospital Affiliations

  • Barnes-Jewish Hospital

Academic Office Mailing Address

  • Washington University School of Medicine

    Campus Box 8233

    660 Euclid Avenue

    Saint Louis, MO 63110

  • Cheng AL1, Merlo JA2, Hunt D1, Yemm T3, Brophy RH4, Prather H1. Are Hip Physical Examination Findings Predictive of Future Lower Body Injury Rates in Elite Adolescent Female Soccer Athletes at Minimum 5-Year Follow-Up? J Sport Rehabil. 2019 Apr 29:1-26. PMID: 31034343
  • Cheng AL1, Calfee R2, Colditz G3, Prather H1. PROMIS Physical and Emotional Health Scores Are Worse in Musculoskeletal Patients Presenting to Physiatrists than to Other Orthopedic Specialists. PM R. 2019 Jun;11(6):604-612. PMID: 30609319
  • Tang CT1, Cheng AL1. Ultrasound Visualization of Radial Nerve Excursion During Acupuncture. Med Acupunct. 2019 Jun 1;31(3):185-188. 
  • Prather H, Cheng A, Steger May K, Maheshwari V, VanDillen L. Association of Hip Radiograph Findings with Pain and Function in Patients Presenting with Low Back Pain. PM R. 2018 Jan;10(1):11-18. PMID: 28629805.
  • Prather H, Cheng A, May KS, Maheshwari V, VanDillen L. Hip and Lumbar Spine Physical Examination Findings in People Presenting With Low Back Pain, With or Without Lower Extremity Pain. J Orthop Sports Phys Ther. 2017 Mar;47(3):163-172. PMID: 28158964.
  • Rho M, Camacho-Soto A, Cheng A, Havran M, Morone N, Rodriguez E, Shega J, Weiner D. Deconstructing Chronic Low Back Pain in the Older Adult – Step by Step Evidence and Expert-Based Recommendations for Evaluation and Treatment: Part VIII: Lateral Hip and Thigh Pain. Pain Med. 2016 Jun;17(7):1249-60. PMID: 27330155.
  • Prather H, Cheng A. Diagnosis and Treatment of Hip Girdle Pain in the Athlete. PM R. 2016 Mar;8(3):S45-60. PMID: 26972267.
  • Silva MJ, Brodt MD, Lynch MA, Stephens AL, Wood DJ, Civitelli R. Tibial loading increases osteogenic gene expression and cortical bone volume in mature and middle-aged mice. PLoS ONE. 2012;7(4): e34980. PMID: 22514696.
  • Lynch MA, Brodt MD, Stephens AL, Civitelli R, Silva MJ. Low-magnitude whole-body vibration does not enhance the anabolic skeletal effects of intermittent PTH in adult mice. J Orthop Res. 2011 Apr;29(4):465-72. PMID: 21337386.
  • Willingham MD, Brodt MD, Lee KL, Stephens AL, Ye J, Silva MJ. Age-related changes in bone structure and strength in female and male BALB/c mice. Calcif Tissue Int. 2010 Jun;86(6):470-83. PMID: 20405109.

Research Interests

Young adult hip disorders, comprehensive patient-centered musculoskeletal care, acupuncture, and injuries in young athletes.


Dr. Cheng earned her medical degree from Washington University School of Medicine, and followed with a residency in Physical Medicine and Rehabilitation from Northwestern University in Chicago, IL. She is fellowship trained in Sports Medicine from Washington University School of Medicine. Dr. Cheng has a strong interest in treating young adult hip problems and sports-related injuries, and serves as a team physician for Washington University Athletics.

Board Certifications

  • Board Certified, Physical Medicine and Rehabilitation
  • Board-Eligible, Sports Medicine

Medical Degree

  • Washington University School of Medicine, St. Louis, MO


  • Physical Medicine and Rehabilitation, Northwestern University/Rehabilitation Institute of Chicago/Shirley Ryan AbilityLab, Chicago, IL


  • Sports Medicine, Washington University School of Medicine, St. Louis, MO

Sports Team and Event Medical Coverage

  • 2018-Present, St. Charles County Regional S.W.A.T. Team Training
  • 2017-Present, Washington University Athletics (Women’s Soccer, Men’s/Women’s Basketball)
  • 2017-Present, High School Football (Francis Howell Central High School, Orchard Farm High School)
  • 2017, Michelob Ultra Rock ‘n’ Roll St. Louis Half Marathon & 10K (Team Captain)
  • 2015-2016 Joffrey Ballet Performances
  • 2015-2016 Chicago Lakefront 10 Miler
  • 2014-2016 Chicago Marathon
  • 2018 National Veteran’s Wheelchair Games (Orlando, FL)

Professional Memberships

  • Association of Academic Physiatrists
  • American Academy of Physical Medicine and Rehabilitation
  • American Medical Society for Sports Medicine

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