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April Armstrong

TitleProfessor; Assistant Director
InstitutionCollege of Medicine
DepartmentOrthopaedics and Rehabilitation
Address30 Hope Drive, Building A, Hershey, PA 17033
Phone717-531-5638

 Overview 
 overview
PREFERRED TITLE/ROLE:
Physician, Assistant Director

EDUCATION:
Fellowship, Ortho Surgery, Shoulder & Elbow, Washington Univ., Barnes-Jewish Hospital (2003) Fellowship, Ortho Surgery, Hand & Upper Extremity, University of Western Ontario, Faculty of Medicine (2002)
Residency, Orthopedic Surgery, University of Western Ontario, Faculty of Medicine (2001)
M.D., University of Western Ontario, Faculty of Medicine (1996)


 Bibliographic 
 selected publications
Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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  1. Kimball AB, Okun MM, Williams DA, Gottlieb AB, Papp KA, Zouboulis CC, Armstrong AW, Kerdel F, Gold MH, Forman SB, Korman NJ, Giamarellos-Bourboulis EJ, Crowley JJ, Lynde C, Reguiai Z, Prens EP, Alwawi E, Mostafa NM, Pinsky B, Sundaram M, Gu Y, Carlson DM, Jemec GB. Two Phase 3 Trials of Adalimumab for Hidradenitis Suppurativa. N Engl J Med. 2016 Aug 4; 375(5):422-34.
    View in: PubMed
  2. Merola JF, Armstrong AW, Saraiya A, Latella J, Garg A, Callis Duffin K, Gottlieb AB. International Dermatology Outcome Measures Initiative as Applied to Psoriatic Disease Outcomes: An Update. J Rheumatol. 2016 May; 43(5):959-60.
    View in: PubMed
  3. Pradhan A, Hennrikus W, Pace G, Armstrong A, Lewis G. Increased pin diameter improves torsional stability in supracondylar humerus fractures: an experimental study. J Child Orthop. 2016 Apr; 10(2):163-7.
    View in: PubMed
  4. Karrasch CK, Smith EJ, Armstrong AD. Distal humerus articular malunion after an open reduction-internal fixation of a capitellum-trochlea shear fracture: a case report. J Shoulder Elbow Surg. 2016 Mar; 25(3):e55-60.
    View in: PubMed
  5. Lewis GS, Brenza JB, Paul EM, Armstrong AD. Construct damage and loosening around glenoid implants: A longitudinal micro-CT study of five cadaver specimens. J Orthop Res. 2016 Jun; 34(6):1053-60.
    View in: PubMed
  6. Flint WW, Lewis GS, Wee HB, Bryce BJ, Armstrong AD. Glenoid cement mantle characterization using micro-computed tomography of three cement application techniques. J Shoulder Elbow Surg. 2016 Apr; 25(4):572-80.
    View in: PubMed
  7. Black KP, Armstrong AD, Hutzler L, Egol KA. Quality and Safety in Orthopaedics: Learning and Teaching at the Same Time: AOA Critical Issues. J Bone Joint Surg Am. 2015 Nov 4; 97(21):1809-15.
    View in: PubMed
  8. Fathi R, Armstrong AW. The Role of Biologic Therapies in Dermatology. Med Clin North Am. 2015 Nov; 99(6):1183-94.
    View in: PubMed
  9. Armstrong A. Simple Elbow Dislocation. Hand Clin. 2015 Nov; 31(4):521-31.
    View in: PubMed
  10. Lewis GS, Stevens NM, Armstrong AD. Testing of a novel pin array guide for accurate three-dimensional glenoid component positioning. J Shoulder Elbow Surg. 2015 Dec; 24(12):1939-47.
    View in: PubMed
  11. Updegrove GF, Armstrong AD, Mosher TJ, Kim HM. Posterior Displacement of Supraspinatus Central Tendon Observed on Magnetic Resonance Imaging: A Useful Preoperative Indicator of Rotator Cuff Tear Characteristics. Arthroscopy. 2015 Nov; 31(11):2089-98.
    View in: PubMed
  12. Wee H, Armstrong AD, Flint WW, Kunselman AR, Lewis GS. Peri-implant stress correlates with bone and cement morphology: Micro-FE modeling of implanted cadaveric glenoids. J Orthop Res. 2015 Nov; 33(11):1671-9.
    View in: PubMed
  13. Stevens NM, Kim HM, Armstrong AD. Functional outcomes after shoulder resection: the patient's perspective. J Shoulder Elbow Surg. 2015 Sep; 24(9):e247-54.
    View in: PubMed
  14. Armstrong AW, Guérin A, Sundaram M, Wu EQ, Faust ES, Ionescu-Ittu R, Mulani P. Psoriasis and risk of diabetes-associated microvascular and macrovascular complications. J Am Acad Dermatol. 2015 Jun; 72(6):968-77.e2.
    View in: PubMed
  15. Updegrove GF, Armstrong AD, Kim HM. Preoperative and intraoperative infection workup in apparently aseptic revision shoulder arthroplasty. J Shoulder Elbow Surg. 2015 Mar; 24(3):491-500.
    View in: PubMed
  16. Armstrong AW, Tuong W, Love TJ, Carneiro S, Grynszpan R, Lee SS, Kavanaugh A. Treatments for nail psoriasis: a systematic review by the GRAPPA Nail Psoriasis Work Group. J Rheumatol. 2014 Nov; 41(11):2306-14.
    View in: PubMed
  17. Gottlieb AB, Armstrong AW, Christensen R, Garg A, Duffin KC, Boehncke WH, Merola JF, Gladman DD, Mease PJ, Swerlick RA, Rosen CF, Abernethy A. The International Dermatology Outcome Measures initiative as applied to psoriatic disease outcomes: a report from the GRAPPA 2013 meeting. J Rheumatol. 2014 Jun; 41(6):1227-9.
    View in: PubMed
  18. Armstrong A. Evaluation and management of adult shoulder pain: a focus on rotator cuff disorders, acromioclavicular joint arthritis, and glenohumeral arthritis. Med Clin North Am. 2014 Jul; 98(4):755-75, xii.
    View in: PubMed
  19. Armstrong AD, Lewis GS. Design Evolution of the Glenoid Component in Total Shoulder Arthroplasty. JBJS Rev. 2013 Dec 10; 1(2).
    View in: PubMed
  20. Sharon VR, Armstrong AW, Jim-On S, Ibrahimi OA, Eisen DB. Postoperative preferences in cutaneous surgery: a patient-centered investigation from an academic dermatologic surgery practice. Dermatol Surg. 2013 May; 39(5):773-8.
    View in: PubMed
  21. Armstrong AD, Jarvis-Selinger S. I feel disconnected: learning technologies in resident education. Instr Course Lect. 2013; 62:577-85.
    View in: PubMed
  22. Kirane YM, Lewis GS, Sharkey NA, Armstrong AD. Mechanical characteristics of a novel posterior-step prosthesis for biconcave glenoid defects. J Shoulder Elbow Surg. 2012 Jan; 21(1):105-15.
    View in: PubMed
  23. Abboud JA, Armstrong AD. Management of anterior shoulder instability: ask the experts. J Shoulder Elbow Surg. 2011 Mar; 20(2):173-82.
    View in: PubMed
  24. Budge MD, Lewis GS, Schaefer E, Coquia S, Flemming DJ, Armstrong AD. Comparison of standard two-dimensional and three-dimensional corrected glenoid version measurements. J Shoulder Elbow Surg. 2011 Jun; 20(4):577-83.
    View in: PubMed
  25. Murthi AM, Keener JD, Armstrong AD, Getz CL. The recurrent unstable elbow: diagnosis and treatment. Instr Course Lect. 2011; 60:215-26.
    View in: PubMed
  26. Lewis GS, Armstrong AD. Glenoid spherical orientation and version. J Shoulder Elbow Surg. 2011 Jan; 20(1):3-11.
    View in: PubMed
  27. Bryce CD, Davison AC, Okita N, Lewis GS, Sharkey NA, Armstrong AD. A biomechanical study of posterior glenoid bone loss and humeral head translation. J Shoulder Elbow Surg. 2010 Oct; 19(7):994-1002.
    View in: PubMed
  28. Murthi AM, Keener JD, Armstrong AD, Getz CL. The recurrent unstable elbow: diagnosis and treatment. J Bone Joint Surg Am. 2010 Jul 21; 92(8):1794-804.
    View in: PubMed
  29. Lewis GS, Bryce CD, Davison AC, Hollenbeak CS, Piazza SJ, Armstrong AD. Location of the optimized centerline of the glenoid vault: a comparison of two operative techniques with use of three-dimensional computer modeling. J Bone Joint Surg Am. 2010 May; 92(5):1188-94.
    View in: PubMed
  30. Chuang CH, Pinkowsky GJ, Hollenbeak CS, Armstrong AD. Medicine versus orthopaedic service for hospital management of hip fractures. Clin Orthop Relat Res. 2010 Aug; 468(8):2218-23.
    View in: PubMed
  31. Bryce CD, Davison AC, Lewis GS, Wang L, Flemming DJ, Armstrong AD. Two-dimensional glenoid version measurements vary with coronal and sagittal scapular rotation. J Bone Joint Surg Am. 2010 Mar; 92(3):692-9.
    View in: PubMed
  32. Bryce CD, Pennypacker JL, Kulkarni N, Paul EM, Hollenbeak CS, Mosher TJ, Armstrong AD. Validation of three-dimensional models of in situ scapulae. J Shoulder Elbow Surg. 2008 Sep-Oct; 17(5):825-32.
    View in: PubMed
  33. Bryce CD, Armstrong AD. Anatomy and biomechanics of the elbow. Orthop Clin North Am. 2008 Apr; 39(2):141-54, v.
    View in: PubMed
  34. Lyons RP, Armstrong A. Chronically unreduced elbow dislocations. Hand Clin. 2008 Feb; 24(1):91-103.
    View in: PubMed
  35. Rudy BS, Armstrong AD. Atraumatic snapping brachialis in a 37-year-old woman. JAAPA. 2007 Jan; 20(1):48, 50-1.
    View in: PubMed
  36. Armstrong A, Lashgari C, Teefey S, Menendez J, Yamaguchi K, Galatz LM. Ultrasound evaluation and clinical correlation of subscapularis repair after total shoulder arthroplasty. J Shoulder Elbow Surg. 2006 Sep-Oct; 15(5):541-8.
    View in: PubMed
  37. Armstrong A, Teefey SA, Wu T, Clark AM, Middleton WD, Yamaguchi K, Galatz LM. The efficacy of ultrasound in the diagnosis of long head of the biceps tendon pathology. J Shoulder Elbow Surg. 2006 Jan-Feb; 15(1):7-11.
    View in: PubMed
  38. Armstrong AD, Dunning CE, Ferreira LM, Faber KJ, Johnson JA, King GJ. A biomechanical comparison of four reconstruction techniques for the medial collateral ligament-deficient elbow. J Shoulder Elbow Surg. 2005 Mar-Apr; 14(2):207-15.
    View in: PubMed
  39. Armstrong AD, Yamaguchi K. Total elbow anthroplasty and distal humerus elbow fractures. Hand Clin. 2004 Nov; 20(4):475-83.
    View in: PubMed
  40. Armstrong A, Boyer D, Ditsios K, Yamaguchi K. Arthroscopic versus open treatment of anterior shoulder instability. Instr Course Lect. 2004; 53:559-63.
    View in: PubMed
  41. Armstrong AD, Brien HJ, Dunning CE, King GJ, Johnson JA, Chess DG. Patellar position after total knee arthroplasty: influence of femoral component malposition. J Arthroplasty. 2003 Jun; 18(4):458-65.
    View in: PubMed
  42. Duck TR, Dunning CE, Armstrong AD, Johnson JA, King GJ. Application of screw displacement axes to quantify elbow instability. Clin Biomech (Bristol, Avon). 2003 May; 18(4):303-10.
    View in: PubMed
  43. Armstrong AD, Dunning CE, Faber KJ, Johnson JA, King GJ. Single-strand ligament reconstruction of the medial collateral ligament restores valgus elbow stability. J Shoulder Elbow Surg. 2002 Jan-Feb; 11(1):65-71.
    View in: PubMed
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