April D Armstrong MD ,BSc (PT), MSc, FRCSC

PubMed

• Metformin is associated with 90-day decreased risk of death and AKI after shoulder arthroplasty in diabetic patients.
  Tarek Haj Shehadeh, Jawaad Chaudhry, Richa Sandeep, Gary Updegrove, April Armstrong
  Journal of Orthopaedics. 2026-06-01
• 1 citations
  The association of rotator cuff muscle morphology and glenoid morphology in primary glenohumeral osteoarthritis.
  Deniz Siso, Hwabok Wee, Padmavathi Ponnuru, Gregory S Lewis, Jing Du
  Shoulder & Elbow. 2026-04-01
• 4 citations
  Consensus statement on the treatment of proximal humerus fractures: a Delphi approach by the Neer Circle of the American Shoulder and Elbow Surgeons.
  Alexis A Williams, Rony-Orijit Dey Hazra, Grant Dornan, Joseph A Abboud, Jeffrey S Abrams
  Journal of Shoulder and Elbow Surgery. 2025-08-01

Journal Articles

• Construct damage and loosening around glenoid implants: A longitudinal micro dash CT study of five cadaver specimens  
  Lewis GS, Brenza JB, Paul EM, Journal of Orthopaedic Research, 1/2/2015
• Evaluation of Patients’ Response Towards Osteoporosis Letter Intervention Versus Phone Call Plus Letter Intervention  
  O Brien LK, Hassenbein SE, Fox EJ, Geriatrics Orthopaedic Surgical Rehabilitation, 1/1/2015
• Controversies in Shoulder Arthroplasty  
  Throckmorton TW, Tashjian RZ, Keener JD, Dines DM, Athwal GS, Iannotti JP, St Pierre P, Flanagin BA, Garofalo R, Krishnan S, Sajadi KR, Gulotta LV, Abboud JA, Sperling JW, Techniques Shoulder and Elbow Surgery, 1/1/2015

Books/Book Chapters

• World Clinics in Orthopaedics: Shoulder and Elbow Surgery 
  Chapter: Non arthroplasty Treatment of Elbow Arthritis 
  Page 296 - 308Updegrove G, Armstrong ADEditors: Matthew S. Autstin, Gregg R. Klein.2014
• Orthopaedic Knowledge Update (OKU) 
  Chapter: Elbow Instability and Reconstruction 
  Armstrong AD, Murthi AEditors: William Levine.2014
• AAOS Comprehensive Orthopaedic Review 2 
  Chapter: Arthritides of the Elbow 
  Armstrong AD2014

Abstracts/Posters

• Teaching Orthopaedic Residents Effective Communication Skills Using a Videotaped Analysis Approach
  Armstrong AD, Jarvis Selinger S, EdVenture Celebration, Penn State College of Medicine, University Conference Center, Hershey, PA, 1/24/2014
• The critical Threshold of Posterior Glenoid Bone Loss
  Bryce CD, Davison AC, Okita N, Sharkey NA, 18th Annual James Buchanan Memorial Lecture; 21st Annual James Buchanan Memorial Lecture; Combined COA, AOA Meeting, Hershey, PA, 2007; Quebec City, Quebec, Canada, 2008, 1/1/2010
• Using a virtual standardized family and video presentations to enhance medical education
  Leong SL, Kees Folts D, Magnifico B, Goldstein J, Banks S, Fox E, Wren A, Schwentker E, Black K, EdVenture Celebration, Penn State College of Medicine, University Conference Center, Hershey, PA, 1/28/2009

Lectures

• Testing of a Novel Guiding Device for Glenoid Component Placement in Total Shoulder Arthroplasty 
  1/28/2015
• Whats new with Total Shoulder Arthroplasty 
  Hershey, PA - 1/17/2015
• Mini Orthopaedic Educators Course 
  Michigan State University College of Human Medicine, Grand Rapids, MI; Mount Nittany Medical Center, - 1/1/2015

Other

• Break the Pain 
  Armstrong AD, WGAL Channel 8 News program
  1/29/2010