Publications

 

  1. Espinosa SE, Costello KE, Souza RB, Kumar D. Lower knee extensor and flexor satrength is associated with varus thrust in people with knee osteoarthritis. J Biomech 2020 107 (109865)
  2. Kumar D, Link TM, Jafarzadeh Reza S., LaValley MP, Souza R. Quadriceps adiposity is associated with increase in lesions of the knee cartilage, meniscus, and bone marrow over 3-years. Arthritis Care Res [Hoboken] 2020 Epub [PMID:32339414]
  3. Porciuncula F, Roto AV, Roy S, Kumar D, Davis I, Walsh CJ, Awad LN. Wearable Movement Sensors for neurological and orthopedic rehabilitation: A focused review. Physical Medicine and Rehab 2018 Sep;10(9 Suppl 2):S220-S232 [PMCID: PMC6700726]
  4. Kumar D, Su F, Wu D, Pedoia V, Heitkamp L, Ma B, Souza RB, Li X: Frontal plane knee mechanics and early cartilage degeneration in people with ACL reconstruction: A longitudinal study. Am J Sports Med 2018 Feb;46(2):378-387. [PMCID: PMC6709529]
  5. Kumar D, Wyatt C, Lee S, Okazaki N, Chiba K, Link TM, Souza RB, Majumdar S: Sagittal plane walking patterns are related to MRI changes over 18-months in people with and without mild-moderate hip osteoarthritis. J Orthop Res 2018 May;36(5):1472-1477. [PMCID:5906210]
  6. Gallo MC, Wyatt C, Pedoia V, Kumar D, Lee S, Nardo L, Link TM, Souza RB, Majumdar S: T1ρ and T2 relaxation times are associated with progression of hip osteoarthritis. Osteoarthritis Cart 2016 Aug; 24(8): 1399-407 [PMCID: PMC4955678]
  7. Calixto N, Kumar D, Subburaj K, Singh J, Schooler J, Nardo L, Li X, Souza RB, Link TM, Majumdar S: Zonal differences in meniscus MR relaxation times in response to in vivo static loading in knee osteoarthritis. J Orthop Res 2016 Feb; 34 (2): 249-61 [PMID: 26223430]
  8. Li X, Pedoia V, Kumar D, Lansdown D, Wyatt CR, Rivoire J, Okazaki N, Savic D, Koff MF, Felmlee J, Williams S, Majumdar S: Cartilage T1rho and T2 relaxation time quantification: Longitudinal reproducibility, quantification variations using different coils and scanners at single-site and multi-sites. Osteoarthritis Cart 2015 Dec; 23(12):2214-23 [PMCID: PMC4663102]
  9. Samaan M, Teng HL, Kumar D, Link TM, Majumdar S, Souza RB:  Altered hip and knee joint coordination variability during gait in individuals with acetabular cartilage defects. Clinical Biomechanics 2015 Oct; 30 (1): 1202-9 [PMCID: PMC4674371]
  10. McDermott K, Kumar D, Goldman V, Feng H, Mehling W, Souza RB, Moskowitz J, Hecht FM: Training in mind-body running to increase physical activity – A Conceptual model and pilot randomized trial in participants with elevated blood pressure. BMC Complementary and Alternative Medicine 2015 15(1): 368 [PMCID: PMC4608185]
  11. Wyatt C, Kumar D, Subburaj K, Lee S, Nardo L, Naraynan D, Lansdown D, Vail TD, Link TM, Souza RB, Majumdar S: Cartilage T1ρ and T2 relaxation times in patients with mild-moderate hip osteoarthritis. Arthritis Rheumatology 2015 Jun;67(6): 1548-1556. [PMID: 25779656]
  12. Lee S, Nardo L, Kumar D, Wyatt C, Souza RB, Lynch J, McCulloch CE, Majumdar S, Lane NE, Link TM: Scoring Hip Osteoarthritis With MRI (SHOMRI): a novel whole joint osteoarthritis evaluation system. J Magn Reson Imaging 2015 Jun; 41(6): 1549-1557. [PMCID: PMC4336224]
  13. Teng HL, MacLeod TD, Kumar D, Link TM, Majumdar S, Souza RB: Individuals with isolated patellofemoral joint osteoarthritis exhibit higher mechanical loading at the knee during the second half of the gait cycle. Clin Biomech 2015 May; 30(4):383-390. [PMCID: PMC4404202]
  14. Kumar D, Wyatt C, Chiba K, Lee S, Nardo L, Link TM, Majumdar S, Souza RB: Anatomic correlates of reduced hip extension during walking in individuals with mild-moderate radiographic hip osteoarthritis. J Ortho Res 2015 Apr; 33(4): 527-534. [PMCID: PMC4376613]
  15. Kumar D, Souza RB, K Subburaj, Macleod TD, Singh J, Calixto NE, Nardo L, Li X, Link TM, Lane NE, Majumdar S: Are there sex differences in knee cartilage composition and walking mechanics in healthy and osteoarthritis populations? Clin Orthop Rel Res 2015 Aug; 473(8): 2548-58. [PMCID: PMC4488198]
  16. Kumar D, Mcdermott K, Goldman V, Feng H, Luke A, Souza RB, Hecht F: Effects of form-focused training on running biomechanics: A Pilot randomized trial in untrained individuals.  Physical Medicine and Rehab 2015 Aug; 7(8): 814-22. [PMCID: PMC4515408]
  17. Macleod TD, K. Subburaj, Wu S, Kumar D, Wyatt C, Souza RB: Magnetic resonance analysis of loaded meniscus kinematics: a novel technique comparing participants with and without radiographic knee osteoarthritis. Skeletal Radiol 2015 Jan; 44(1):125-135. [PMCID: PMC4256123]
  18. Pun SY, Kumar D, Lane NE: Review: Femoroacetabular impingement. Arthritis Rheumatology 2015 Jan; 67 (1):17-27 [PMCID: PMC4280287]
  19. Kumar D, Singh JS, Nardo L, Li X, Link TM, Souza RB, Majumdar S: Physical activity and spatial differences in medial knee T1ρ and T2 relaxation times in knee osteoarthritis J Ortho Sports Phys Ther 2014 Dec; 44(12): 964-972. [PMCID: PMC4476033]
  20. Kumar D, Kothari A Souza RB, Wu S, Ma B, Li X: Frontal plane knee mechanics and medial cartilage MR relaxation times in individuals with ACL reconstruction: A pilot study. Knee 2014 Oct; 21(5): 881-885 [PMCID: PMC4175149]
  21. Souza RB, Kumar D, Calixto N, Singh J, Schooler J, Subburaj K, Li X, Link TM, Majumdar S: Response of knee cartilage T1ρ and T2 relaxation times to in vivo mechanical loading in individuals with and without knee osteoarthritis. Osteoarthritis and Cartilage 2014 Oct; 22(10): 1367-1376 [PMCID: PMC4184934]
  22. Kumar D, Dillon AD, Nardo L, Link TM, Majumdar S, Souza RB: Differences in the association of hip cartilage lesions and cam-type femoroacetabular impingement with movement patterns: A Preliminary Study. Physical Med and Rehab 2014 Aug; 6(8): 681-689 [PMCID: PMC4133316]
  23. Kumar D, Karampinos DC, Macleod TD, Lin W, Li X, Link TM, Majumdar S, Souza RB: Quadriceps intra-muscular fat fraction rather than muscle size is associated with knee osteoarthritis. Osteoarthritis Cartilage. 2014 Feb; 22(2):226-34 [PMCID: PMC3932784]
  24. Kumar D, Swanik CB, Reisman D, Rudolph KS: Individuals with medial knee osteoarthritis show short-term neuromuscular adaptation when perturbed during walking in spite of functional and structural limitations.   J Appl Physiol (1985). 2014 Jan; 116(1):13-23. [PMCID: PMC3921367]
  25. Schooler J, Kumar D, Nardo L, McCulloch CM, Li X, Link TM, Majumdar S: Longitudinal evaluation of T1ρ and T2 spatial distribution in osteoarthritis medial knee articular cartilage vs. healthy controls. Osteoarthritis Cartilage. 2014 Jan; 22(1):51-62 [PMCID: PMC3934359]
  26. Kumar D, K Subburaj, Lin W, Karampinos DC, McCulloch CE, Li X, Souza RB, Link TM, Majumdar S: Quadriceps and hamstrings morphology is related to walking mechanics and knee cartilage MR relaxation times in young adults. J Orthop Sports Phys Ther. 2013 Dec;43(12):881-90. [PMID: 24175607]
  27. Kumar D, Wyatt C, Lee S, Nardo L, Link TM, Majumdar S, Souza RB: Association of cartilage defects, and other MR findings with pain and function in individuals with mild-moderate radiographic hip osteoarthritis and controls. Osteoarthritis Cartilage. 2013 Nov; 21(11):1685-92. [PMCID: PMC3804140]
  28. Valentinitsch A, Karampinos DC, Alizai H, K Subburaj, Kumar D, Link TM, Majumdar S: Automated unsupervised multi-parametric classification of adipose tissue depots in skeletal muscle. J Magn Reson Imaging. 2013 Apr;37(4):917-27. [PMCID: PMC3573225]
  29. Kumar D, Manal K, Rudolph K: Knee joint loading during gait in healthy controls and individuals with knee osteoarthritis. Osteoarthritis Cartilage. 2013 Feb; 21(2):298-305. [PMCID: PMC3804122]
  30. Kumar D, Schooler J, Zuo J, McCulloch CM, Nardo L, Link TM, Li X, Majumdar S: Trabecular bone structure and spatial differences in articular cartilage MR relaxation times. Osteoarthritis Cartilage. 2013 Jan;21(1):86-93. [PMCID: PMC3538917]
  31. K Subburaj, Kumar D, Alizai H, Li X, Link TM, Souza RB, Majumdar S: Acute effects of running on knee cartilage and meniscus MR relaxation times in young healthy adults. Am J Sports Med. 2012 Sep;40(9):2134-41. [PMCID: PMC3660554]
  32. Kumar D, Rudolph K, and Manal K: An EMG-Driven modeling approach to muscle force and joint load estimations: Case study in knee osteoarthritis. J Orthop Res. 2012 Mar;30(3):377-83. [PMCID: PMC3250571]
  33. Shin CS, Souza RB, Kumar D, Wyman BT, Link TM, Majumdar S. In vivo tibiofemoral cartilage-to-cartilage contact area of moderate osteoarthritis subjects under acute loading using MR imaging. J Magn Reson Imaging. 2011 Dec;34(6):1405-13. [PMID: 21953771]
  34. Mahehwari AV, Malhotra R, Kumar D, Pitcher JD: Rupture of the ilio-psoas tendon after a total hip arthroplasty: an unusual case of radio-lucency of the lesser trochanter simulating a malignancy. J Orthop Surg Res. 2010 Feb 5;5:6. [PMCID: PMC2826299]
  35. Maheshwari AV, Kounine MM, Soaita M, Kumar D, Pitcher JD: Osteoporotic insufficiency fractures of the pelvis in an elderly male simulating a malignancy. Am J Orthop (Belle Mead NJ). 2009 Feb;38(2):E45-8. [PMID: 19340388]
  36. Aggarwal SR, Kumar D: Lower extremity muscle strength and balance performance in Indian Community dwelling elderly men aged 50 years and above. Indian Journal of Physiotherapy and Occupational Therapy, 2006 1(1).13-23.