Thomas Jefferson University

Christopher A Knight

TitleAssoc Prof CHP
InstitutionThomas Jefferson University
DepartmentNursing - Undergraduate
Address549 South College Ave.
Newark DE 19716
Phone302-831-6175
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    F31NS043069     (KNIGHT, CHRISTOPHER A)May 12, 2002 - Aug 31, 2003
    NIH
    Human Motor Unit Discharge Variability
    Role: Principal Investigator
    R03AG026322     (KNIGHT, CHRISTOPHER A)Feb 1, 2007 - Jan 31, 2010
    NIH
    Motor Unit Discharge and Slowed Motor Output in Elderly
    Role: Principal Investigator

    Collapse Bibliographic 
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    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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    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. Chung JW, Bower AE, Malik I, Martello JP, Knight CA, Jeka JJ, Burciu RG. Imaging the lower limb network in Parkinson's disease. Neuroimage Clin. 2023 Apr 08; 38:103399. PMID: 37058977.
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    2. Chung JW, Knight CA, Bower AE, Martello JP, Jeka JJ, Burciu RG. Rate control deficits during pinch grip and ankle dorsiflexion in early-stage Parkinson's disease. PLoS One. 2023; 18(3):e0282203. PMID: 36867628.
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    3. Howard SL, Grenet D, Bellumori M, Knight CA. Measures of motor segmentation from rapid isometric force pulses are reliable and differentiate Parkinson's disease from age-related slowing. Exp Brain Res. 2022 Jun 29. PMID: 35768733.
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    4. Oldham JR, Lanois CJ, Caccese JB, Crenshaw JR, Knight CA, Berkstresser B, Wang F, Howell DR, Meehan WP, Buckley TA. Association Between Collision Sport Career Duration and Gait Performance in Male Collegiate Student-Athletes. Am J Sports Med. 2022 Jun 23; 3635465221104685. PMID: 35736366.
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    5. Daniels RJ, Knight CA. Rates of neuromuscular excitation during cycling in Parkinson's disease compared to healthy young and older adults. Clin Biomech (Bristol, Avon). 2021 Sep 20; 90:105488. PMID: 34571487.
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    6. Kirk EA, Christie AD, Knight CA, Rice CL. Motor unit firing rates during constant isometric contraction: establishing and comparing an age-related pattern among muscles. J Appl Physiol (1985). 2021 Apr 29. PMID: 33914656.
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    7. Oldham JR, Howell DR, Knight CA, Crenshaw JR, Buckley TA. Gait Performance Is Associated with Subsequent Lower Extremity Injury following Concussion. Med Sci Sports Exerc. 2020 11; 52(11):2279-2285. PMID: 33064402.
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    8. Josephson MD, Rose WC, Knight CA. Evidence of bilinearity in the relationship between rate of neuromuscular excitation and rate of force development. J Electromyogr Kinesiol. 2019 Sep 11; 49:102355. PMID: 31525632.
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    9. Josephson MD, Knight CA. Comparison of neural excitation measures from the surface electromyogram during rate-dependent muscle contractions. J Electromyogr Kinesiol. 2019 Feb; 44:15-20. PMID: 30465942.
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    10. Uygur M, Bellumori M, Knight CA. Effects of a low-resistance, interval bicycling intervention in Parkinson's Disease. Physiother Theory Pract. 2017 Dec; 33(12):897-904. PMID: 28812404.
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    11. Bellumori M, Uygur M, Knight CA. High-Speed Cycling Intervention Improves Rate-Dependent Mobility in Older Adults. Med Sci Sports Exerc. 2017 Jan; 49(1):106-114. PMID: 27501360.
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    12. Hanlon S, Caccese J, Knight CA, Swanik CB, Kaminski TW. Examining Ankle-Joint Laxity Using 2 Knee Positions and With Simulated Muscle Guarding. J Athl Train. 2016 Feb; 51(2):111-7. PMID: 26881870.
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    13. Singh H, Whitney DG, Knight CA, Miller F, Manal K, Kolm P, Modlesky CM. Site-Specific Transmission of a Floor-Based, High-Frequency, Low-Magnitude Vibration Stimulus in Children With Spastic Cerebral Palsy. Arch Phys Med Rehabil. 2016 Feb; 97(2):218-23. PMID: 26392035.
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    14. Uygur M, Bellumori M, LeNoir K, Poole K, Pretzer-Aboff I, Knight CA. Immediate effects of high-speed cycling intervals on bradykinesia in Parkinson's disease. Physiother Theory Pract. 2015 Feb; 31(2):77-82. PMID: 25347790.
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    15. Bellumori M, Jaric S, Knight CA. Age-related decline in the rate of force development scaling factor. Motor Control. 2013 Oct; 17(4):370-81. PMID: 23761421.
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    16. Bozic PR, Celik O, Uygur M, Knight CA, Jaric S. Evaluation of novel tests of neuromuscular function based on brief muscle actions. J Strength Cond Res. 2013 Jun; 27(6):1568-78. PMID: 22990564.
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    17. Chou LW, Palmer JA, Binder-Macleod S, Knight CA. Motor unit rate coding is severely impaired during forceful and fast muscular contractions in individuals post stroke. J Neurophysiol. 2013 Jun; 109(12):2947-54. PMID: 23554434.
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    18. Gutierrez GM, Knight CA, Swanik CB, Royer T, Manal K, Caulfield B, Kaminski TW. Examining neuromuscular control during landings on a supinating platform in persons with and without ankle instability. Am J Sports Med. 2012 Jan; 40(1):193-201. PMID: 21917613.
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    19. Bellumori M, Jaric S, Knight CA. The rate of force development scaling factor (RFD-SF): protocol, reliability, and muscle comparisons. Exp Brain Res. 2011 Jul; 212(3):359-69. PMID: 21656219.
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    20. Rose W, Knight CA. Spectral analysis of point processes: motor unit activity and heart rate analysis. Med Sci Sports Exerc. 2011 Feb; 43(2):239-48. PMID: 20581715.
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    21. de Freitas PB, Knight CA, Barela JA. Postural reactions following forward platform perturbation in young, middle-age, and old adults. J Electromyogr Kinesiol. 2010 Aug; 20(4):693-700. PMID: 20060318.
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    22. Fling BW, Knight CA, Kamen G. Relationships between motor unit size and recruitment threshold in older adults: implications for size principle. Exp Brain Res. 2009 Aug; 197(2):125-33. PMID: 19565231.
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    23. Knight CA, Marmon AR. Neural training for quick strength gains in the elderly: strength as a learned skill. J Strength Cond Res. 2008 Nov; 22(6):1869-75. PMID: 18841083.
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    24. LaRoche DP, Roy SJ, Knight CA, Dickie JL. Elderly women have blunted response to resistance training despite reduced antagonist coactivation. Med Sci Sports Exerc. 2008 Sep; 40(9):1660-8. PMID: 18685524.
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    25. Knight CA, Marmon AR, Poojari DH. Postcontraction errors in isometric force control. Motor Control. 2008 Jul; 12(3):267-78. PMID: 18698110.
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    26. Knight CA, Kamen G. Relationships between voluntary activation and motor unit firing rate during maximal voluntary contractions in young and older adults. Eur J Appl Physiol. 2008 Aug; 103(6):625-30. PMID: 18470532.
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    27. Laroche DP, Knight CA, Dickie JL, Lussier M, Roy SJ. Explosive force and fractionated reaction time in elderly low- and high-active women. Med Sci Sports Exerc. 2007 Sep; 39(9):1659-65. PMID: 17805100.
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    28. Carter AB, Kaminski TW, Douex AT, Knight CA, Richards JG. Effects of high volume upper extremity plyometric training on throwing velocity and functional strength ratios of the shoulder rotators in collegiate baseball players. J Strength Cond Res. 2007 Feb; 21(1):208-15. PMID: 17313281.
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    29. Knight CA, Kamen G. Modulation of motor unit firing rates during a complex sinusoidal force task in young and older adults. J Appl Physiol. 2007 Jan; 102(1):122-9. PMID: 16959910.
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    30. Marwaha R, Hall SJ, Knight CA, Jaric S. Load and grip force coordination in static bimanual manipulation tasks in multiple sclerosis. Motor Control. 2006 Apr; 10(2):160-77. PMID: 16871011.
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    31. Jaric S, Knight CA, Collins JJ, Marwaha R. Evaluation of a method for bimanual testing coordination of hand grip and load forces under isometric conditions. J Electromyogr Kinesiol. 2005 Dec; 15(6):556-63. PMID: 15939628.
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    32. Kamen G, Knight CA. Training-related adaptations in motor unit discharge rate in young and older adults. J Gerontol A Biol Sci Med Sci. 2004 Dec; 59(12):1334-8. PMID: 15699535.
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    33. Knight CA, Kamen G. Enhanced motor unit rate coding with improvements in a force-matching task. J Electromyogr Kinesiol. 2004 Dec; 14(6):619-29. PMID: 15491836.
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    34. Knight CA. Neuromotor issues in the learning and control of golf skill. Res Q Exerc Sport. 2004 Mar; 75(1):9-15. PMID: 15532356.
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    35. Price TB, Kamen G, Damon BM, Knight CA, Applegate B, Gore JC, Eward K, Signorile JF. Comparison of MRI with EMG to study muscle activity associated with dynamic plantar flexion. Magn Reson Imaging. 2003 Oct; 21(8):853-61. PMID: 14599535.
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    36. Sayers SP, Peters BT, Knight CA, Urso ML, Parkington J, Clarkson PM. Short-term immobilization after eccentric exercise. Part I: contractile properties. Med Sci Sports Exerc. 2003 May; 35(5):753-61. PMID: 12750584.
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    37. Sayers SP, Knight CA, Clarkson PM. Neuromuscular variables affecting the magnitude of force loss after eccentric exercise. J Sports Sci. 2003 May; 21(5):403-10. PMID: 12800862.
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