Jill L McNitt-Gray, PhD

Title(s)Professor of Biological Sciences and Biomedical Engineering
SchoolDornsife College of Letters, Arts And Sciences
Phone+1 213 740 7902
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    Collapse Awards and Honors
    American Society of Biomechanics2016Jim Hay Memorial Award
    University of Southern California2016  - 2019Gabilan Distinguished Professorship in Science and Engineering
    International Society of Biomechanics2015Fellow
    University of Southern California2013USC Hanna Reisler Mentoring Award
    American Society of Biomechanics2013Fellow
    American Society of Biomechanics2013Mellon Culture of Mentoring Award
    University of Southern California2011Mellon Mentoring of Undergraduate Students
    American Society of Biomechanics2010  - 2011President

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    Jill L. McNitt-Gray, Ph.D. is a Gabilan Distinguished Professor in Science and Engineering and mentors students the Departments of Biological Sciences and Biomedical Engineering at the University of Southern California. She is also the Director of the USC Biomechanics Research Laboratory and was the founding director of a cross-cutting interdisciplinary graduate program in biological sciences at USC.

    Dr. McNitt-Gray’s interdisciplinary research focuses on the neuromuscular control and dynamics of human movements and aims to identify risk factors and develop effective methods in rehabilitation engineering and performance enhancement for individuals with various ability levels (clinical populations as well as elite athletes). She uses both experimental and dynamic modeling approaches to test research hypotheses specific to control priorities during physically-demanding well-practiced tasks. Her research has been funded by Department of Defense, National Science Foundation, National Institutes of Health, Veterans Administration, and national governing bodies of sport including the Medical Commission of the International Olympic Committee and the United States Olympic Committee.

    Dr. McNitt-Gray earned her undergraduate degree in mathematics and statistics with a certification in coaching from Miami University in Oxford, Ohio in 1980. After working in load research and load management for the American Electric Power Service Corporation, she returned to graduate school at the University of North Carolina, Chapel Hill. In 1985, she earned her master’s degree in biomechanics at the University of North Carolina at Chapel Hill under the mentorship of Barney LeVeau PT PhD and was the assistant coach of the Carolina Women’s Gymnastics team. Dr. McNitt-Gray received her doctoral degree in biomechanics from Penn State under the mentorship of Richard Nelson and Peter Cavanagh in 1989.

    Dr. McNitt-Gray has served on the Editorial Board of the International Journal of Sports Biomechanics and the Journal of Applied Biomechanics and as an ad hoc reviewer on study sections for NIH, NSF, CDC, and various governing bodies of sport. She served on the ASB membership committee from 1989-92, and then as a member of the education committee. Dr. McNitt-Gray has served on the Executive Board as Education Chair (1993-95), Program Chair (2002), and as President (2009-2012). Dr. McNitt-Gray also served as a member of the Executive Council of the ISB from 2001 to 2007 and served as the ISB Liaison to Affiliated and Economically Developing Societies. Dr. McNitt-Gray has received the USC Mellon Culture of Mentoring Award for her work with the Women in Science and Engineering program (WiSE) and a USC Mellon Mentoring award for her mentoring of undergraduate students. The Medical Commission of the International Olympic Committee recognized her research team’s work in the physical sciences with the Prince Alexandre de Merode Award. Dr. McNitt-Gray is also actively involved in translation of science into the practice and outreach programs that provide informal educational experiences in Science, Technology, Engineering and Mathematics fields. Her innovative approaches to research and education have been recognized by the USC Center for Excellence in Teaching and funded by the National Science Foundation. She has served as a biomechanist for the International Olympic Committee, the US Olympic Committee, multiple National Governing Bodies of Sport, and the National Collegiate Athletic Association.

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Generation of forward angular impulse with different initial conditions. Hum Mov Sci. 2022 Nov 18; 87:103035. Mathiyakom W, Wilcox R, McNitt-Gray JL. PMID: 36410166.
      View in: PubMed   Mentions:    Fields:    
    2. Impairments in the mechanical effectiveness of reactive balance control strategies during walking in people post-stroke. Front Neurol. 2022; 13:1032417. Liu C, McNitt-Gray JL, Finley JM. PMID: 36388197; PMCID: PMC9659909.
      View in: PubMed   Mentions: 2  
    3. Regulation of Forward Angular Impulse in Tasks With Backward Translation. J Appl Biomech. 2021 Dec 01; 37(6):601-610. Mathiyakom W, Wilcox R, McNitt-Gray JL. PMID: 34872075.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    4. Development of an integrated biomechanics informatics system with knowledge discovery and decision support tools for research of injury prevention and performance enhancement. Comput Biol Med. 2022 02; 141:105062. Liu J, Stewart H, Wiens C, Mcnitt-Gray J, Liu B. PMID: 34836623.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    5. Lessons Learned: Consider the Context. J Appl Biomech. 2021 10 01; 37(5):397-399. McNitt-Gray JL. PMID: 34504040.
      View in: PubMed   Mentions:    Fields:    
    6. Reaction Force Generation and Mechanical Demand Imposed on the Shoulder When Initiating Manual Wheelchair Propulsion and at Self-Selected Fast Speeds. J Biomech Eng. 2019 Dec 01; 141(12). Papp M, Russell I, Requejo PS, Furumasu J, McNitt-Gray JL. PMID: 31750883.
      View in: PubMed   Mentions: 1     Fields:    
    7. Characterization of the shoulder net joint moment during manual wheelchair propulsion using four functional axes. J Electromyogr Kinesiol. 2022 Feb; 62:102340. Russell IM, Wagner EV, Requejo PS, Mulroy S, Flashner H, McNitt-Gray JL. PMID: 31387793.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    8. Generation of Linear Impulse During the Takeoff of the Long Jump. J Appl Biomech. 2019 02 01; 35(1):52–60. Ramos CD, Ramey M, Wilcox RR, McNitt-Gray JL. PMID: 30207208.
      View in: PubMed   Mentions:    Fields:    
    9. Regulation of Linear and Angular Impulse during the Golf Swing with Modified Address Positions. J Appl Biomech. 2019 02 01; 35(1):25–31. Peterson TJ, McNitt-Gray JL. PMID: 30080427.
      View in: PubMed   Mentions: 1     Fields:    
    10. Data Analyses When Sample Sizes Are Small: Modern Advances for Dealing With Outliers, Skewed Distributions, and Heteroscedasticity. J Appl Biomech. 2018 Aug 01; 34(4):258-261. Wilcox R, Peterson TJ, McNitt-Gray JL. PMID: 30045651.
      View in: PubMed   Mentions: 3     Fields:    
    11. 2016 American Society of Biomechanics Hay Award Lecture: Preparing for Impact-Biomechanical Inspirations From Olympic Sports. J Appl Biomech. 2018 Aug 01; 34(4):249-257. McNitt-Gray JL. PMID: 29991299.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    12. Coordination of lower extremity multi-joint control strategies during the golf swing. J Biomech. 2018 08 22; 77:26-33. Peterson TJ, McNitt-Gray JL. PMID: 29945785.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    13. Modeling Wheelchair-Users Undergoing Vibrations. J Biomech Eng. 2017 Sep 01; 139(9). Brown K, Flashner H, McNitt-Gray J, Requejo P. PMID: 28696486.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    14. Lower extremity control during turns initiated with and without hip external rotation. J Biomech. 2017 02 08; 52:130-139. Zaferiou AM, Flashner H, Wilcox RR, McNitt-Gray JL. PMID: 28057348.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    15. Modification of Impulse Generation During Pirouette Turns With Increased Rotational Demands. J Appl Biomech. 2016 Oct; 32(5):425-32. Zaferiou AM, Wilcox RR, McNitt-Gray JL. PMID: 27046934.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    16. Editorial: Wheeled Mobility Biomechanics. Front Bioeng Biotechnol. 2016; 4:53. Requejo PS, McNitt-Gray JL. PMID: 27446910; PMCID: PMC4924446.
      View in: PubMed   Mentions:
    17. Whole-Body Balance Regulation during the Turn Phase of Piqué and Pirouette Turns with Varied Rotational Demands. Med Probl Perform Art. 2016 Jun; 31(2):96-103. Zaferiou AM, Wilcox RR, McNitt-Gray JL. PMID: 27281380.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    18. Modification of impulse generation during piqué turns with increased rotational demands. Hum Mov Sci. 2016 Jun; 47:220-230. Zaferiou AM, Wilcox RR, McNitt-Gray JL. PMID: 27038006.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    19. Angular Impulse and Balance Regulation During the Golf Swing. J Appl Biomech. 2016 Aug; 32(4):342-9. Peterson TJ, Wilcox RR, McNitt-Gray JL. PMID: 26958870.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    20. Compensatory strategies during manual wheelchair propulsion in response to weakness in individual muscle groups: A simulation study. Clin Biomech (Bristol, Avon). 2016 Mar; 33:34-41. Slowik JS, McNitt-Gray JL, Requejo PS, Mulroy SJ, Neptune RR. PMID: 26945719; PMCID: PMC4821704.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    21. Modifications in Wheelchair Propulsion Technique with Speed. Front Bioeng Biotechnol. 2015; 3:171. Russell IM, Raina S, Requejo PS, Wilcox RR, Mulroy S, McNitt-Gray JL. PMID: 26579513; PMCID: PMC4620433.
      View in: PubMed   Mentions: 3  
    22. Regulation of reaction forces during the golf swing. Sports Biomech. 2013 Jun; 12(2):121-31. McNitt-Gray JL, Munaretto J, Zaferiou A, Requejo PS, Flashner H. PMID: 23898685.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    23. Reconfiguration of the upper extremity relative to the pushrim affects load distribution during wheelchair propulsion. Med Eng Phys. 2013 Aug; 35(8):1141-9. Munaretto JM, McNitt-Gray JL, Flashner H, Requejo PS. PMID: 23352613.
      View in: PubMed   Mentions: 4     Fields:    
    24. Effect of choice of recovery patterns on handrim kinetics in manual wheelchair users with paraplegia and tetraplegia. J Spinal Cord Med. 2012 May; 35(3):148-55. Raina S, McNitt-Gray J, Mulroy S, Requejo P. PMID: 22507024; PMCID: PMC3324831.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    25. Simulated effect of reaction force redirection on the upper extremity mechanical demand imposed during manual wheelchair propulsion. Clin Biomech (Bristol, Avon). 2012 Mar; 27(3):255-62. Munaretto JM, McNitt-Gray JL, Flashner H, Requejo PS. PMID: 22071430.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    26. Effect of increased load on scapular kinematics during manual wheelchair propulsion in individuals with paraplegia and tetraplegia. Hum Mov Sci. 2012 Apr; 31(2):397-407. Raina S, McNitt-Gray JL, Mulroy S, Requejo PS. PMID: 21782267.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    27. Model sensitivity and use of the comparative finite element method in mammalian jaw mechanics: mandible performance in the gray wolf. PLoS One. 2011 Apr 29; 6(4):e19171. Tseng ZJ, McNitt-Gray JL, Flashner H, Wang X, Enciso R. PMID: 21559475; PMCID: PMC3084775.
      View in: PubMed   Mentions: 22     Fields:    Translation:Animals
    28. Influence of hand-rim wheelchairs with rear suspension on seat forces and head acceleration during curb descent landings. J Rehabil Med. 2009 May; 41(6):459-66. Requejo PS, Maneekobkunwong S, McNitt-Gray J, Adkins R, Waters R. PMID: 19479159.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    29. Regulation of angular impulse during fall recovery. J Rehabil Res Dev. 2008; 45(8):1237-48. Mathiyakom W, McNitt-Gray JL. PMID: 19235123.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    30. Regulation of angular impulse during two forward translating tasks. J Appl Biomech. 2007 May; 23(2):149-61. Mathiyakom W, McNitt-Gray JL, Wilcox RR. PMID: 17603134.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    31. Multijoint control strategies transfer between tasks. Biol Cybern. 2006 Jun; 94(6):501-10. McNitt-Gray JL, Requejo PS, Flashner H. PMID: 16550438.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    32. Lower extremity control and dynamics during backward angular impulse generation in forward translating tasks. J Biomech. 2006; 39(6):990-1000. Mathiyakom W, McNitt-Gray JL, Wilcox R. PMID: 15878165.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    33. Lower extremity control and dynamics during backward angular impulse generation in backward translating tasks. Exp Brain Res. 2006 Mar; 169(3):377-88. Mathiyakom W, McNitt-Gray JL, Wilcox R. PMID: 16273396.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    34. Modifying center of mass trajectory during sit-to-stand tasks redistributes the mechanical demand across the lower extremity joints. Clin Biomech (Bristol, Avon). 2005 Jan; 20(1):105-11. Mathiyakom W, McNitt-Gray JL, Requejo P, Costa K. PMID: 15567544.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansCTClinical Trials
    35. Modification of landing conditions at contact via flight. Biol Cybern. 2004 May; 90(5):327-36. Requejo PS, McNitt-Gray JL, Flashner H. PMID: 15221393.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    36. Subject specific coordination of two- and one-joint muscles during landings suggests multiple control criteria. Motor Control. 2000 Jan; 4(1):84-8; discussion 97-116. McNitt-Gray JL. PMID: 10675815.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    37. Quantitative gait assessment as a predictor of prospective and retrospective falls in community-dwelling older women. Arch Phys Med Rehabil. 1994 Apr; 75(4):447-53. Feltner ME, MacRae PG, McNitt-Gray JL. PMID: 8172506.
      View in: PubMed   Mentions: 8     Fields:    Translation:HumansCTClinical Trials
    38. Kinetics of the lower extremities during drop landings from three heights. J Biomech. 1993 Sep; 26(9):1037-46. McNitt-Gray JL. PMID: 8408086.
      View in: PubMed   Mentions: 52     Fields:    Translation:Humans
    39. Orthopedic Problems in Pregnancy. Phys Sportsmed. 1990 Sep; 18(9):93-105. Artal R, Friedman MJ, McNitt-Gray JL. PMID: 27447588.
      View in: PubMed   Mentions: 1     Fields:    
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