Publications

Full-length Journal Publications

33. 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 [in press]

32. 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 [in press]

31. 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]

30. 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]

29. Li X, Pedeoia 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]

28. 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]

27. 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]

26. 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]

25. 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]

24. 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]

23. 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]

22. 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]

21. 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]

20. 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]

19. Pun SY, Kumar D, Lane NE: Review: Femoroacetabular impingement. Arthritis Rheumatology 2015 Jan; 67 (1):17-27 [PMCID: PMC4280287]

18. 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]
17. 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]

16. 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]

15. 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]

14. 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]

13. 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]

12. 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]

11. 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]

10. 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]

9. 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]

8. 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]

7. 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]

6. 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]

5. 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]

4. 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]

3. 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]

2. 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]

1. 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.