Richard Souza, PhD, PT

TitleAssociate Professor
SchoolUCSF School of Medicine
DepartmentPhysical Therapy
Address185 Berry Street
San Francisco CA 94143
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    Collapse Biography 
    Collapse Awards and Honors
    University of California, Davis Athletic Training Program2001Dick Lewis Award
    California Physical Therapy Association 2001Physical Therapy Professional Education Scholarship
    Samuel Merritt College, Dept. of Physical Therapy2002Outstanding Student Award
    Foundation for Physical Therapy2004Promotion of Doctoral Students (PODS I) Scholarship
    Southern California Conference of Biomechanics 2005Outstanding Presentation Award
    USC, Dept. of Biokinesiology and Physical Therapy 2006Outstanding Mentorship Award
    USC, Dept. of Biokinesiology and Physical Therapy2006Jacqueline Perry Scholarship Award
    Foundation for Physical Therapy2006Promotion of Doctoral Students (PODS II) Scholarship
    University of Southern California2007Outstanding Teaching Award
    Foundation for Physical Therapy2007Promotion of Doctoral Students (PODS II) Scholarship
    USC, Dept. Biokinesiology and Physical Therapy2008Order of the Golden Cane
    Southern California Conference of Biomechanics2008Outstanding Presentation Award
    Biokinesiology and Physical Therapy, USC2008USC Research Day; 1st Place
    Best overall outstanding presentation at USC Research Day2008The Dean’s Research Award
    American College of Sports Medicine, Biomechanics Interest Group2008Student Research Award
    California Physical Therapy Association2009Student Research Publication Award
    California Physical Therapy Association2010Outstanding Poster Award at Annual Meeting
    NIHNational Institute of Arthritis and Musculoskeletal and Skin Diseases2010American Recovery and Reinvestment Act Faculty Hire
    California Physical Therapy Association2011Faculty Publication Award
    Journal of Orthopaedic and Sports Physical Therapy2012George J. Davies - James A. Gould Excellence in Clinical Inquiry Award
    American Physical Therapy Association2014Eugene Michels New Investigator Award

    Collapse Overview 
    Collapse Overview
    Richard Souza, PT, PhD, is an Associate Professor in Residence in the Department of Physical Therapy and Rehabilitation Science, with joint appointment in the Departments of Radiology and Biomedical and Orthopaedic Surgery. He is Director of Research of the Human Performance Center at the University of California, San Francisco. Dr. Souza obtained his BS in Exercise Science from the University of California, Davis in 1998, and he received his MPT in Physical Therapy from Samuel Merritt College, Oakland in 2002. He earned his PhD in Biokinesiology from the University of Southern California in 2008, followed by a postdoctoral fellowship in Biomedical Imaging from the University of California, San Francisco in 2009.

    Dr. Souza’s research interests are focused on the relationships between mechanics of human movement and advanced quantitative magnetic resonance imaging of the knee. Presently, he is involved in projects that evaluate the influence of loading behavior on cartilage health and determining effectiveness of prevention and rehabilitation strategies on tissue biochemistry. Dr. Souza’s future research goals include combining his background in biomechanics and motion analysis with advanced quantitative imaging techniques to investigate lower extremity orthopaedic pathology.

    Dr. Souza is involved with the UCSF RunSafe team, a program which is offered to all runners or walkers interested in a comprehensive evaluation of gait mechanics, strength and flexibility, foot structure and footwear choices, and nutritional approaches. In the RunSafe clinic, Dr. Souza collaborates with physicians, biomechanists, physical therapists, engineers, nutritionists, orthotists, and athletic trainers. He has 31 published articles, and he has written 36 peer-reviewed articles and 5 significant publications.


    Physical therapy, orthopaedic diseases, knee

    Professional Interests:
    Injury mechanics, rehabilitation, lower extremity biomechanics, injury prevention, osteoarthritis, medical imaging, dynamic magnetic resonance imaging, motion analysis, quantitative imaging

    Education and Training:
    • Bachelor of Science: University of California, Davis - Exercise Science
    • Masters of Physical Therapy: Samuel Merritt College, Oakland - Physical Therapy
    • Doctor of Philosophy: University of Southern California - Biokinesiology
    • Postdoctoral Fellow: University of California, San Francisco - Biomedical Imaging

    Collapse Research 
    Collapse Research Activities and Funding
    Evaluating Disease Progression in Hip Osteoarthritis
    NIH/NIAMS R01AR069006Jul 14, 2016 - Apr 30, 2021
    Role: Co-Principal Investigator
    Contact mechanics, neuromuscular control, and cartilage composition in knee OA
    NIH/NIAMS R01AR062370Sep 1, 2011 - Aug 31, 2015
    Role: Principal Investigator
    Translation of Quantitative Imaging in Osteoarthritis
    NIH/NIAMS P50AR060752Aug 1, 2011 - Jul 31, 2016
    Role: Co-Investigator

    Collapse ORNG Applications 
    Collapse Websites

    Collapse Bibliographic 
    Collapse Publications
    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.
    List All   |   Timeline
    1. Samaan MA, Facchetti L, Pedoia V, Tanaka MS, Link TM, Souza R, Ma CB, Li X. Cyclops lesions are associated with altered gait patterns and medial knee joint cartilage degeneration at one year after ACL-reconstruction. J Orthop Res. 2017 Jan 27. PMID: 28128475.
      View in: PubMed
    2. Garwood ER, Souza R, Zhang A, Zhang AL, Ma CB, Link TM, Motamedi D. Axial traction magnetic resonance imaging (MRI) of the glenohumeral joint in healthy volunteers: initial experience. Clin Imaging. 2017 Jan 03; 42:178-182. PMID: 28095361.
      View in: PubMed
    3. Samaan MA, Schwaiger BJ, Gallo MC, Sada K, Link TM, Zhang AL, Majumdar S, Souza R. Joint Loading in the Sagittal Plane During Gait Is Associated With Hip Joint Abnormalities in Patients With Femoroacetabular Impingement. Am J Sports Med. 2016 Dec 01; 363546516677727. PMID: 28006109.
      View in: PubMed
    4. Russell C, Pedoia V, Souza R, Majumdar S. Cross-sectional and Longitudinal Study of the Impact of Posterior Meniscus Horn Lesions on Adjacent Cartilage Composition, Patient-Reported Outcomes and Gait Biomechanics in Subjects without Radiographic Osteoarthritis. Osteoarthritis Cartilage. 2016 Nov 9. PMID: 27838383.
      View in: PubMed
    5. Samaan MA, Schwaiger BJ, Gallo MC, Link TM, Zhang AL, Majumdar S, Souza R. Abnormal Joint Moment Distributions and Functional Performance During Sit-to-Stand in Femoroacetabular Impingement Patients. PM R. 2016 Oct 8. PMID: 27729286.
      View in: PubMed
    6. Pedoia V, Gallo MC, Souza R, Majumdar S, et al. Longitudinal study using voxel-based relaxometry: Association between cartilage T1? and T2 and patient reported outcome changes in hip osteoarthritis. J Magn Reson Imaging. 2016 Sep 14. PMID: 27626787.
      View in: PubMed
    7. Pedoia V, Su F, Keiko A, Qi L, McCulloch CE, Souza R, Link TM, Benjamin C, Li X, et al. Analysis of the articular cartilage T1? and T2 relaxation times changes after ACL reconstruction in injured and contralateral knees and relationships with bone shape. J Orthop Res. 2016 Aug 24. PMID: 27557479.
      View in: PubMed
    8. Goldman LH, Tang K, Facchetti L, Heilmeier U, Joseph GB, Nevitt MC, McCulloch CE, Souza R, Link TM, et al. Role of thigh muscle cross-sectional area and strength in progression of knee cartilage degeneration over 48 months - Data from the Osteoarthritis Initiative. Osteoarthritis Cartilage. 2016 Jul 22. PMID: 27457100.
      View in: PubMed
    9. Lo GH, Driban JB, Kriska AM, McAlindon TE, Souza R, Petersen NJ, Storti KL, Eaton CB, Hochberg MC, Jackson RD, Kwoh CK, Nevitt MC, Suarez-Almazor ME, et al. History of Running is Not Associated with Higher Risk of Symptomatic Knee Osteoarthritis: A Cross-Sectional Study from the Osteoarthritis Initiative. Arthritis Care Res (Hoboken). 2016 Jun 22. PMID: 27333572.
      View in: PubMed
    10. Patel R, Eltgroth M, Souza R, Zhang CA, Majumdar S, Link TM, Motamedi D. Loaded versus unloaded magnetic resonance imaging (MRI) of the knee: Effect on meniscus extrusion in healthy volunteers and patients with osteoarthritis. Eur J Radiol Open. 2016; 3:100-7. PMID: 27331081.
      View in: PubMed
    11. Samaan MA, Zhang AL, Gallo MC, Schwaiger BJ, Link TM, Souza R, Majumdar S. Quantitative magnetic resonance arthrography in patients with femoroacetabular impingement. J Magn Reson Imaging. 2016 May 18. PMID: 27192497.
      View in: PubMed
    12. Amano K, Pedoia V, Su F, Souza R, Li X, Ma CB. Persistent Biomechanical Alterations After ACL Reconstruction Are Associated With Early Cartilage Matrix Changes Detected by Quantitative MR. Orthop J Sports Med. 2016 Apr; 4(4):2325967116644421. PMID: 27169133.
      View in: PubMed
    13. Teng HL, Calixto NE, MacLeod TD, Nardo L, Link TM, Majumdar S, Souza R. Associations between patellofemoral joint cartilage T1? and T2 and knee flexion moment and impulse during gait in individuals with and without patellofemoral joint osteoarthritis. Osteoarthritis Cartilage. 2016 Apr 12. PMID: 27084352.
      View in: PubMed
    14. Schwaiger BJ, Gersing AS, Lee S, Nardo L, Samaan MA, Souza R, Link TM, Majumdar S. Longitudinal assessment of MRI in hip osteoarthritis using SHOMRI and correlation with clinical progression. Semin Arthritis Rheum. 2016 Jun; 45(6):648-55. PMID: 27162009.
      View in: PubMed
    15. Gallo MC, Wyatt C, Pedoia V, Kumar D, Lee S, Nardo L, Link TM, Souza R, Majumdar S. T1? and T2 relaxation times are associated with progression of hip osteoarthritis. Osteoarthritis Cartilage. 2016 Aug; 24(8):1399-407. PMID: 26973330.
      View in: PubMed
    16. Lau BC, Thuillier DU, Pedoia V, Chen EY, Zhang Z, Feeley BT, Souza R. Inter- and intra-rater reliability of patellofemoral kinematic and contact area quantification by fast spin echo MRI and correlation with cartilage health by quantitative T1? MRI. Knee. 2016 Jan; 23(1):13-9. PMID: 26746045.
      View in: PubMed
    17. Souza RB. An Evidence-Based Videotaped Running Biomechanics Analysis. Phys Med Rehabil Clin N Am. 2016 Feb; 27(1):217-36. PMID: 26616185.
      View in: PubMed
    18. McDermott K, Kumar D, Goldman V, Feng H, Mehling W, Moskowitz JT, Souza RB, Hecht FM. Training in ChiRunning to reduce blood pressure: a randomized controlled pilot study. BMC Complement Altern Med. 2015; 15(1):368. PMID: 26471194; PMCID: PMC4608185.
    19. Calixto NE, Kumar D, Subburaj K, Singh J, Schooler J, Nardo L, Li X, Souza R, 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.
      View in: PubMed
    20. Samaan MA, Teng HL, Kumar D, Lee S, Link TM, Majumdar S, Souza R. Acetabular cartilage defects cause altered hip and knee joint coordination variability during gait. Clin Biomech (Bristol, Avon). 2015 Dec; 30(10):1202-9. PMID: 26298706.
      View in: PubMed
    21. Kumar D, Souza RB, Subburaj K, MacLeod TD, Singh J, Calixto NE, Nardo L, Link TM, Li X, Lane NE, Majumdar S. Are There Sex Differences in Knee Cartilage Composition and Walking Mechanics in Healthy and Osteoarthritis Populations? Clin Orthop Relat Res. 2015 Aug; 473(8):2548-58. PMID: 25716211; PMCID: PMC4488198 [Available on 08/01/16].
    22. Teng HL, MacLeod TD, Link TM, Majumdar S, Souza RB. Higher Knee Flexion Moment During the Second Half of the Stance Phase of Gait Is Associated With the Progression of Osteoarthritis of the Patellofemoral Joint on Magnetic Resonance Imaging. J Orthop Sports Phys Ther. 2015 Sep; 45(9):656-64. PMID: 26161626.
      View in: PubMed
    23. Pedoia V, Lansdown DA, Zaid M, McCulloch CE, Souza R, Ma CB, Li X. Three-dimensional MRI-based statistical shape model and application to a cohort of knees with acute ACL injury. Osteoarthritis Cartilage. 2015 Oct; 23(10):1695-703. PMID: 26050865.
      View in: PubMed
    24. Wyatt C, Kumar D, Subburaj K, Lee S, Nardo L, Narayanan D, Lansdown D, Vail T, Link TM, Souza RB, Majumdar S. Cartilage T1? and T2 Relaxation Times in Patients With Mild-to-Moderate Radiographic Hip Osteoarthritis. Arthritis Rheumatol. 2015 Jun; 67(6):1548-56. PMID: 25779656.
      View in: PubMed
    25. Zaid M, Lansdown D, Su F, Pedoia V, Tufts L, Rizzo S, Souza RB, Li X, Ma CB. Abnormal tibial position is correlated to early degenerative changes one year following ACL reconstruction. J Orthop Res. 2015 Jul; 33(7):1079-86. PMID: 25721417.
      View in: PubMed
    26. Souza RB, Hatamiya N, Martin C, Aramaki A, Martinelli B, Wong J, Luke A. Medial and Lateral Heel Whips: Prevalence and Characteristics in Recreational Runners. PM R. 2015 Aug; 7(8):823-30. PMID: 25758531.
      View in: PubMed
    27. 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 stance phase. Clin Biomech (Bristol, Avon). 2015 May; 30(4):383-90. PMID: 25726158; PMCID: PMC4404202 [Available on 05/01/16].
    28. 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 Orthop Res. 2015 Apr; 33(4):527-34. PMID: 25678302; PMCID: PMC4376613 [Available on 04/01/16].
    29. Kumar D, McDermott K, Feng H, Goldman V, Luke A, Souza RB, Hecht FM. Effects of Form-Focused Training on Running Biomechanics: A Pilot Randomized Trial in Untrained Individuals. PM R. 2015 Aug; 7(8):814-22. PMID: 25633634; PMCID: PMC4515408 [Available on 08/01/16].
    30. Lansdown DA, Zaid M, Pedoia V, Subburaj K, Souza R, Benjamin C, Li X. Reproducibility measurements of three methods for calculating in vivo MR-based knee kinematics. J Magn Reson Imaging. 2015 Aug; 42(2):533-8. PMID: 25545617; PMCID: PMC4485602 [Available on 08/01/16].
    31. Lansdown DA, Allen C, Zaid M, Wu S, Subburaj K, Souza R, Feeley BT, Li X, Ma CB. A comprehensive in vivo kinematic, quantitative MRI and functional evaluation following ACL reconstruction - A comparison between mini-two incision and anteromedial portal femoral tunnel drilling. Knee. 2015 Dec; 22(6):547-53. PMID: 25982298.
      View in: PubMed
    32. Kumar D, Souza RB, Singh J, Calixto NE, Nardo L, Link TM, Li X, Majumdar S. Physical activity and spatial differences in medial knee T1rho and t2 relaxation times in knee osteoarthritis. J Orthop Sports Phys Ther. 2014 Dec; 44(12):964-72. PMID: 25353261; PMCID: PMC4476033 [Available on 12/01/15].
    33. MacLeod TD, Subburaj K, Wu S, Kumar D, Wyatt C, Souza RB. Magnetic resonance analysis of loaded meniscus deformation: a novel technique comparing participants with and without radiographic knee osteoarthritis. Skeletal Radiol. 2015 Jan; 44(1):125-35. PMID: 25296900; PMCID: PMC4256123 [Available on 01/01/16].
    34. Lee S, Nardo L, Kumar D, Wyatt CR, Souza RB, Lynch J, McCulloch CE, Majumdar S, Lane NE, Link TM. Scoring hip osteoarthritis with MRI (SHOMRI): A whole joint osteoarthritis evaluation system. J Magn Reson Imaging. 2015 Jun; 41(6):1549-57. PMID: 25139720; PMCID: PMC4336224 [Available on 06/01/16].
    35. Kumar D, Kothari A, Souza RB, Wu S, Benjamin Ma C, 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):881-5. PMID: 24993277; PMCID: PMC4175149.
    36. Souza RB, Wu SJ, Morse LJ, Subburaj K, Allen CR, Feeley BT. Cartilage MRI relaxation times after arthroscopic partial medial meniscectomy reveal localized degeneration. Knee Surg Sports Traumatol Arthrosc. 2015 Jan; 23(1):188-97. PMID: 24792070.
      View in: PubMed
    37. Souza RB, Kumar D, Calixto N, Singh J, Schooler J, Subburaj K, Li X, Link TM, Majumdar S. Response of knee cartilage T1rho and T2 relaxation times to in vivo mechanical loading in individuals with and without knee osteoarthritis. Osteoarthritis Cartilage. 2014 Oct; 22(10):1367-76. PMID: 24792208; PMCID: PMC4184934.
    38. Powers CM, Ho KY, Chen YJ, Souza RB, Farrokhi S. Patellofemoral joint stress during weight-bearing and non-weight-bearing quadriceps exercises. J Orthop Sports Phys Ther. 2014 May; 44(5):320-7. PMID: 24673446.
      View in: PubMed
    39. Kumar D, Dillon A, 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. PM R. 2014 Aug; 6(8):681-9. PMID: 24534097; PMCID: PMC4133316.
    40. Kumar D, Karampinos DC, MacLeod TD, Lin W, Nardo L, Li X, Link TM, Majumdar S, Souza RB. Quadriceps intramuscular fat fraction rather than muscle size is associated with knee osteoarthritis. Osteoarthritis Cartilage. 2014 Feb; 22(2):226-34. PMID: 24361743; PMCID: PMC3932784.
    41. Subburaj K, Souza RB, Wyman BT, Le Graverand-Gastineau MP, Li X, Link TM, Majumdar S. Changes in MR relaxation times of the meniscus with acute loading: an in vivo pilot study in knee osteoarthritis. J Magn Reson Imaging. 2015 Feb; 41(2):536-43. PMID: 24347310; PMCID: PMC4062611.
    42. Kumar D, Subburaj K, Lin W, Karampinos DC, McCulloch CE, Li X, Link TM, Souza RB, Majumdar S. Quadriceps and hamstrings morphology is related to walking mechanics and knee cartilage MRI relaxation times in young adults. J Orthop Sports Phys Ther. 2013 Dec; 43(12):881-90. PMID: 24175607; PMCID: PMC4476495.
    43. Marsh M, Souza RB, Wyman BT, Hellio Le Graverand MP, Subburaj K, Link TM, Majumdar S. Differences between X-ray and MRI-determined knee cartilage thickness in weight-bearing and non-weight-bearing conditions. Osteoarthritis Cartilage. 2013 Dec; 21(12):1876-85. PMID: 24091161.
      View in: PubMed
    44. Kumar D, Wyatt CR, Lee S, Nardo L, Link TM, Majumdar S, Souza RB. Association of cartilage defects, and other MRI findings with pain and function in individuals with mild-moderate radiographic hip osteoarthritis and controls. Osteoarthritis Cartilage. 2013 Nov; 21(11):1685-92. PMID: 23948977; PMCID: PMC3804140.
    45. Li X, Wyatt C, Rivoire J, Han E, Chen W, Schooler J, Liang F, Shet K, Souza R, Majumdar S. Simultaneous acquisition of T1? and T2 quantification in knee cartilage: repeatability and diurnal variation. J Magn Reson Imaging. 2014 May; 39(5):1287-93. PMID: 23897756; PMCID: PMC3844010.
    46. Thuillier DU, Souza RB, Wu S, Luke A, Li X, Feeley BT. T1? imaging demonstrates early changes in the lateral patella in patients with patellofemoral pain and maltracking. Am J Sports Med. 2013 Aug; 41(8):1813-8. PMID: 23845401.
      View in: PubMed
    47. Nardo L, Sandman DN, Virayavanich W, Zhang L, Souza RB, Steinbach L, Guindani M, Link TM. Bone marrow changes related to disuse. Eur Radiol. 2013 Dec; 23(12):3422-31. PMID: 23832388; PMCID: PMC4026184.
    48. Souza RB, Feeley BT, Zarins ZA, Link TM, Li X, Majumdar S. T1rho MRI relaxation in knee OA subjects with varying sizes of cartilage lesions. Knee. 2013 Mar; 20(2):113-9. PMID: 23159719; PMCID: PMC3568198.
    49. Stehling C, Souza RB, Hellio Le Graverand MP, Wyman BT, Li X, Majumdar S, Link TM. Loading of the knee during 3.0T MRI is associated with significantly increased medial meniscus extrusion in mild and moderate osteoarthritis. Eur J Radiol. 2012 Aug; 81(8):1839-45. PMID: 21684704; PMCID: PMC3399044.
    50. Subburaj K, Kumar D, Souza RB, Alizai H, Li X, Link TM, Majumdar S. The acute effect of running on knee articular cartilage and meniscus magnetic resonance relaxation times in young healthy adults. Am J Sports Med. 2012 Sep; 40(9):2134-41. PMID: 22729505; PMCID: PMC3660554.
    51. Lee SP, Souza RB, Powers CM. The influence of hip abductor muscle performance on dynamic postural stability in females with patellofemoral pain. Gait Posture. 2012 Jul; 36(3):425-9. PMID: 22607792.
      View in: PubMed
    52. Souza RB, Baum T, Wu S, Feeley BT, Kadel N, Li X, Link TM, Majumdar S. Effects of unloading on knee articular cartilage T1rho and T2 magnetic resonance imaging relaxation times: a case series. J Orthop Sports Phys Ther. 2012 Jun; 42(6):511-20. PMID: 22402583; PMCID: PMC3673554.
    53. Hovis KK, Alizai H, Tham SC, Souza RB, Nevitt MC, McCulloch CE, Link TM. Non-traumatic anterior cruciate ligament abnormalities and their relationship to osteoarthritis using morphological grading and cartilage T2 relaxation times: data from the Osteoarthritis Initiative (OAI). Skeletal Radiol. 2012 Nov; 41(11):1435-43. PMID: 22366737; PMCID: PMC3586320.
    54. Haughom BD, Souza R, Schairer WW, Li X, Ma CB. Evaluating rotational kinematics of the knee in ACL-ruptured and healthy patients using 3.0 Tesla magnetic resonance imaging. Knee Surg Sports Traumatol Arthrosc. 2012 Apr; 20(4):663-70. PMID: 22159520.
      View in: PubMed
    55. Subburaj K, Souza RB, Stehling C, Wyman BT, Le Graverand-Gastineau MP, Link TM, Li X, Majumdar S. Association of MR relaxation and cartilage deformation in knee osteoarthritis. J Orthop Res. 2012 Jun; 30(6):919-26. PMID: 22161783; PMCID: PMC3652010.
    56. Souza RB, Fang C, Luke A, Wu S, Li X, Majumdar S. Relationship between knee kinetics during jumping tasks and knee articular cartilage MRI T1rho and T2 relaxation times. Clin Biomech (Bristol, Avon). 2012 May; 27(4):403-8. PMID: 22115848; PMCID: PMC3327363.
    57. Shin CS, Souza RB, Kumar D, Link TM, Wyman BT, Majumdar S. In vivo tibiofemoral cartilage-to-cartilage contact area of females with medial osteoarthritis under acute loading using MRI. J Magn Reson Imaging. 2011 Dec; 34(6):1405-13. PMID: 21953771.
      View in: PubMed
    58. Hovis KK, Stehling C, Souza RB, Haughom BD, Baum T, Nevitt M, McCulloch C, Lynch JA, Link TM. Physical activity is associated with magnetic resonance imaging-based knee cartilage T2 measurements in asymptomatic subjects with and those without osteoarthritis risk factors. Arthritis Rheum. 2011 Aug; 63(8):2248-56. PMID: 21538328; PMCID: PMC3149726.
    59. Haughom B, Schairer W, Souza RB, Carpenter D, Ma CB, Li X. Abnormal tibiofemoral kinematics following ACL reconstruction are associated with early cartilage matrix degeneration measured by MRI T1rho. Knee. 2012 Aug; 19(4):482-7. PMID: 21807522; PMCID: PMC3274608.
    60. Baker RL, Souza RB, Fredericson M. Iliotibial band syndrome: soft tissue and biomechanical factors in evaluation and treatment. PM R. 2011 Jun; 3(6):550-61. PMID: 21665168.
      View in: PubMed
    61. Cotofana S, Eckstein F, Wirth W, Souza RB, Li X, Wyman B, Hellio-Le Graverand MP, Link T, Majumdar S. In vivo measures of cartilage deformation: patterns in healthy and osteoarthritic female knees using 3T MR imaging. Eur Radiol. 2011 Jun; 21(6):1127-35. PMID: 21448616; PMCID: PMC3088828.
    62. Tang SY, Souza RB, Ries M, Hansma PK, Alliston T, Li X. Local tissue properties of human osteoarthritic cartilage correlate with magnetic resonance T(1) rho relaxation times. J Orthop Res. 2011 Sep; 29(9):1312-9. PMID: 21445940; PMCID: PMC4092115.
    63. Souza RB, Stehling C, Wyman BT, Hellio Le Graverand MP, Li X, Link TM, Majumdar S. The effects of acute loading on T1rho and T2 relaxation times of tibiofemoral articular cartilage. Osteoarthritis Cartilage. 2010 Dec; 18(12):1557-63. PMID: 20950693.
      View in: PubMed
    64. Sorenson SC, Arya S, Souza RB, Pollard CD, Salem GJ, Kulig K. Knee extensor dynamics in the volleyball approach jump: the influence of patellar tendinopathy. J Orthop Sports Phys Ther. 2010 Sep; 40(9):568-76. PMID: 20508329.
      View in: PubMed
    65. Kulig K, Harper-Hanigan K, Souza RB, Powers CM. Measurement of femoral torsion by ultrasound and magnetic resonance imaging: concurrent validity. Phys Ther. 2010 Nov; 90(11):1641-8. PMID: 20724419.
      View in: PubMed
    66. Zarins ZA, Bolbos RI, Pialat JB, Link TM, Li X, Souza RB, Majumdar S. Cartilage and meniscus assessment using T1rho and T2 measurements in healthy subjects and patients with osteoarthritis. Osteoarthritis Cartilage. 2010 Nov; 18(11):1408-16. PMID: 20696262; PMCID: PMC2975868.
    67. Souza RB, Arya S, Pollard CD, Salem G, Kulig K. Patellar tendinopathy alters the distribution of lower extremity net joint moments during hopping. J Appl Biomech. 2010 Aug; 26(3):249-55. PMID: 20841615.
      View in: PubMed
    68. Souza RB, Draper CE, Fredericson M, Powers CM. Femur rotation and patellofemoral joint kinematics: a weight-bearing magnetic resonance imaging analysis. J Orthop Sports Phys Ther. 2010 May; 40(5):277-85. PMID: 20436239.
      View in: PubMed
    69. Wirth W, Frobell RB, Souza RB, Li X, Wyman BT, Le Graverand MP, Link TM, Majumdar S, Eckstein F. A three-dimensional quantitative method to measure meniscus shape, position, and signal intensity using MR images: a pilot study and preliminary results in knee osteoarthritis. Magn Reson Med. 2010 May; 63(5):1162-71. PMID: 20432287.
      View in: PubMed
    70. Fowler EG, Knutson LM, Demuth SK, Siebert KL, Simms VD, Sugi MH, Souza RB, Karim R, Azen SP. Pediatric endurance and limb strengthening (PEDALS) for children with cerebral palsy using stationary cycling: a randomized controlled trial. Phys Ther. 2010 Mar; 90(3):367-81. PMID: 20093327.
      View in: PubMed
    71. Souza RB, Powers CM. Concurrent criterion-related validity and reliability of a clinical test to measure femoral anteversion. J Orthop Sports Phys Ther. 2009 Aug; 39(8):586-92. PMID: 19648719.
      View in: PubMed
    72. Hansma P, Yu H, Schultz D, Rodriguez A, Yurtsev EA, Orr J, Tang S, Miller J, Wallace J, Zok F, Li C, Souza R, Proctor A, Brimer D, Nogues-Solan X, Mellbovsky L, Peña MJ, Diez-Ferrer O, Mathews P, Randall C, Kuo A, Chen C, Peters M, Kohn D, Buckley J, Li X, Pruitt L, Diez-Perez A, Alliston T, Weaver V, Lotz J. The tissue diagnostic instrument. Rev Sci Instrum. 2009 May; 80(5):054303. PMID: 19485522; PMCID: PMC2832056.
    73. Souza RB, Powers CM. Differences in hip kinematics, muscle strength, and muscle activation between subjects with and without patellofemoral pain. J Orthop Sports Phys Ther. 2009 Jan; 39(1):12-9. PMID: 19131677.
      View in: PubMed
    74. Souza RB, Powers CM. Predictors of hip internal rotation during running: an evaluation of hip strength and femoral structure in women with and without patellofemoral pain. Am J Sports Med. 2009 Mar; 37(3):579-87. PMID: 19098153.
      View in: PubMed
    75. Austin AB, Souza RB, Meyer JL, Powers CM. Identification of abnormal hip motion associated with acetabular labral pathology. J Orthop Sports Phys Ther. 2008 Sep; 38(9):558-65. PMID: 18758045.
      View in: PubMed
    76. Farrokhi S, Pollard CD, Souza RB, Chen YJ, Reischl S, Powers CM. Trunk position influences the kinematics, kinetics, and muscle activity of the lead lower extremity during the forward lunge exercise. J Orthop Sports Phys Ther. 2008 Jul; 38(7):403-9. PMID: 18591759.
      View in: PubMed
    77. Souza RB, Powers CM. Trochlear groove spur in a patient with patellofemoral pain. J Orthop Sports Phys Ther. 2008 Mar; 38(3):158. PMID: 18349495.
      View in: PubMed
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