RYO TANAKA

Last Updated :2025/06/22

Affiliations, Positions
Graduate School of Humanities and Social Sciences, Professor
E-mail
ryotanahiroshima-u.ac.jp
Self-introduction
My specialty is rehabilitation science. My research focuses not only on biomedical factors but also on psychosocial factors to promote evidence-based practices aimed at preventing disability and extending healthy life expectancy.

Basic Information

Academic Degrees

  • Hiroshima University
  • Hiroshima University

Research Fields

  • Complex systems;Biomedical engineering;Rehabilitation science / Welfare engineering
  • Complex systems;Health / Sports science;Applied health science

Research Keywords

  • rehabilitation
  • physical therapy
  • human body movement
  • exercise therapy
  • walking
  • pain
  • elderly people
  • osteoarthritis
  • preventive care
  • epidemiology

Affiliated Academic Societies

  • Japanese Physical Therapy Association
  • Japanese Society for Musculoskeletal Medicine
  • Japanese Association of Pain Rehabilitation

Educational Activity

Course in Charge

  1. 2025, Liberal Arts Education Program1, 2Term, Practicum in SportsB
  2. 2025, Liberal Arts Education Program1, 3Term, Practicum in SportsB
  3. 2025, Liberal Arts Education Program1, 1Term, Sports Theory and Exercise
  4. 2025, Liberal Arts Education Program1, 4Term, Health and Sports Sciences
  5. 2025, Undergraduate Education, 4Term, Heallth and Welfare
  6. 2025, Undergraduate Education, 1Term, Experimental methodsIn Sport and Health Sciences A
  7. 2025, Undergraduate Education, 1Term, Laboratory Work in Sport and Health Sciences A
  8. 2025, Undergraduate Education, 3Term, SeminarIn Sport and Health Sciences C
  9. 2025, Undergraduate Education, 4Term, Seminar in Sports statistics
  10. 2025, Undergraduate Education, 1Term, Introductory Lectures of Human Movement Sciences II
  11. 2025, Graduate Education (Master's Program) , 2Term, Environmental Physiology and Rehabilitation Science

Research Activities

Academic Papers

  1. A clinical prediction rule for predicting the health-related quality of life after 5 months in patients with knee osteoarthritis undergoing conservative treatment, PHYSICAL THERAPY RESEARCH, 27, 158-167, 2024
  2. Bioinformatic Exploration of Circulating microRNAs Related to Functional Outcomes in Patients With Acute Ischemic Stroke: An Exploratory Prospective Study, CUREUS JOURNAL OF MEDICAL SCIENCE, 16(8), 20240822
  3. Association Between Sarcopenic Obesity and Frailty Risk in Community-Dwelling Older Women With Locomotive Syndrome: A Cross-Sectional Survey, CUREUS JOURNAL OF MEDICAL SCIENCE, 16(7), 20240715
  4. Temporal validation of a clinical prediction rule for distinguishing locomotive syndromes in community-dwelling older adults: A cross-sectional study from the DETECt-L study, OSTEOPOROSIS AND SARCOPENIA, 10(1), 40-44, 20240415
  5. Minimal clinically important differences in short-term postoperative Knee injury and Osteoarthritis Outcome Score (KOOS) after total knee arthroplasty: A prospective cohort study, JOURNAL OF ORTHOPAEDICS TRAUMA AND REHABILITATION, 31(1), 15-20, 202401
  6. Identifying the characteristics of patients with stroke who have difficulty benefiting from gait training with the hybrid assistive limb: a retrospective cohort study, FRONTIERS IN NEUROROBOTICS, 18, 20240208
  7. Clinically significant effects of gait modification on knee pain: A systematic review and meta-analysis, JOURNAL OF BACK AND MUSCULOSKELETAL REHABILITATION, 37(1), 3-12, 20240105
  8. Estimation of reference intervals for physical fitness indicators in healthy community-dwelling older adults, GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE, 182(10), 620-627, 202310
  9. Abnormal Gait Pattern Examination Screening for Physical Activity Level after One Year in Patients with Knee Osteoarthritis, JOURNAL OF FUNCTIONAL MORPHOLOGY AND KINESIOLOGY, 8(1), 20230215
  10. Preliminary effectiveness of pain management programme on physical activity for patients with chronic musculoskeletal pain: Non-randomized controlled trial, MUSCULOSKELETAL CARE, 21(3), 947-952, 20230414
  11. Clinical prediction rule for locomotive syndrome in older adults: A decision tree model, JOURNAL OF ORTHOPAEDIC SCIENCE, 28(4), 886-894, 20230704
  12. Association of sarcopenia, pre-sarcopenia, and dynapenia with the onset and progression of locomotive syndrome in Japanese older adults: a cross-sectional study, JOURNAL OF PHYSIOLOGICAL ANTHROPOLOGY, 42(1), 20230803
  13. Effects of age and gender on spatiotemporal and kinematic gait parameters in older adults, ACTA OF BIOENGINEERING AND BIOMECHANICS, 24(4), 13-19, 2022
  14. Body Composition Characteristics of Community-Dwelling Older Adults With Dynapenia or Sarcopenia, FRONTIERS IN NUTRITION, 9, 20220425
  15. Derivation of a clinical prediction rule for chronic post-surgical pain after total knee arthroplasty considering biopsychosocial factors: A prospective cohort study, KNEE, 42, 364-372, 20230503
  16. Effects of Combined Exercise and Psychological Interventions on Psychological Factors After Total Knee Arthroplasty: A Systematic Review, INTERNATIONAL JOURNAL OF GERONTOLOGY, 17(2), 82-88, 202304
  17. Interventions to improve locomotive syndrome: a systematic review and meta-analysis of randomized controlled trials, NAGOYA JOURNAL OF MEDICAL SCIENCE, 85(2), 275-288, 202305
  18. Does frequent use of an exoskeletal upper limb robot improve motor function in stroke patients?, DISABILITY AND REHABILITATION, 45(7), 1185-1191, 20230327
  19. Effects of Non-Face-to-Face and Noncontact Interventions on Knee Pain and Physical Activity in Older Adults With Knee Osteoarthritis: A Systematic Review and Meta-Analysis, JOURNAL OF AGING AND PHYSICAL ACTIVITY, 31(2), 319-329, 202304
  20. Relationship between the affective dimension of pain and site of the disorder: A cross-sectional study, JOURNAL OF BACK AND MUSCULOSKELETAL REHABILITATION, 36(1), 253-259, 20230104
  21. A simplified clinical prediction rule for prognosticating dependent daily living in patients with thoracic spinal cord injury: A multicenter nationwide Japan registry study, EUROPEAN NEUROLOGY, 20230711
  22. Diagnostic Accuracy of Physical Examination Tests for Suspected Acute Anterior Cruciate Ligament Injury: A Systematic Review and Meta-Analysis, INTERNATIONAL JOURNAL OF SPORTS PHYSICAL THERAPY, 17(5), 742-752, 20220801
  23. Predicting the prognosis of unilateral spatial neglect using magnetic resonance imaging in patients with stroke: A systematic review, BRAIN RESEARCH, 1789, 20220815
  24. Self-reported physical activity is related to knee muscle strength on the unaffected side and walking ability in patients with knee osteoarthritis awaiting total knee arthroplasty: a cross-sectional study, PHYSIOTHERAPY THEORY AND PRACTICE, 38(3), 441-447, 20220304
  25. Identifying Target Values of Body Composition for Preventing Frailty: A Descriptive Study in Older Adults, GERONTOLOGY AND GERIATRIC MEDICINE, 8, 20220103
  26. The effectiveness of group education in people over 50 years old with knee pain: A systematic review and meta-analysis of randomized control trials, MUSCULOSKELETAL SCIENCE AND PRACTICE, 62, 202212
  27. Clinical Prediction Rule for Identifying the Stroke Patients who will Obtain Clinically Important Improvement of Upper Limb Motor Function by Robot-Assisted Upper Limb, JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 31(7), 202207
  28. Effects of gait training with the Hybrid Assistive Limb on gait ability in stroke patients: A systematic review of randomized controlled trials, JOURNAL OF CLINICAL NEUROSCIENCE, 101, 186-192, 202207
  29. Developing a Clinical Prediction Rule for Gait Independence at Discharge in Patients with Stroke: A Decision-Tree Algorithm Analysis, JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 31(6), 202206
  30. Diagnostic Test Accuracy of Physical Examination Tests in Suspected Patellofemoral Osteoarthritis: A Systematic Review, INTERNATIONAL JOURNAL OF GERONTOLOGY, 16(2), 83-88, 202204
  31. Development of a clinical prediction rule for patients with cervical spinal cord injury who have difficulty in obtaining independent living, SPINE JOURNAL, 22(2), 321-328, 202202
  32. A cutoff value for body composition on the severity of locomotive syndrome in Japanese older women: A cross-sectional study, HEALTH CARE FOR WOMEN INTERNATIONAL, 2022
  33. The effects of walking training with poles on walking ability: A systematic review and meta-analysis of randomized controlled trials, PM&R, 202309
  34. Early Initiation of Exoskeletal Robotic Gait Training Improves Functional Outcomes in the Patients with Stroke: A Retrospective Observational Study, EUROPEAN NEUROLOGY, 86(2), 121-127, 20221214
  35. Effects of Combining Online Anodal Transcranial Direct Current Stimulation and Gait Training in Stroke Patients: A Systematic Review and Meta-Analysis, FRONTIERS IN HUMAN NEUROSCIENCE, 15, 20211210
  36. Machine Learning Algorithm Identifies the Importance of Environmental Factors for Hospital Discharge to Home of Stroke Patients using Wheelchair after Discharge, JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 30(8), 20210831
  37. A systematic review of the usefulness of magnetic resonance imaging in predicting the gait ability of stroke patients, SCIENTIFIC REPORTS, 11(1), 20210712
  38. Reductions in Muscle Strength and Range of Motion Cause Locomotion Disability via Locomotion-Related Functional Limitation in Japanese Older Adults: A Cross-Sectional Study, JOURNAL OF AGING RESEARCH, 2021, 20210708
  39. Healthcare-seeking behavior and recognition of physical therapy among Japanese residents in Thailand: A descriptive study, Journal of Physical Therapy Science, 20210531
  40. Relationship between Mobility-Related Activities of Daily Living and Health-Related Quality of Life among Healthy Older Adults: A Cross-Sectional Study Using Structural Equation Modeling, GERONTOLOGY AND GERIATRIC MEDICINE, 7, 20210531
  41. A clinical prediction rule for predicting a delay in quality of life recovery at 1 month after total knee arthroplasty: a decision tree model, Journal of Orthopaedic Science, 26, 415-402, 20210506
  42. Decision Tree Algorithm Identifies Stroke Patients Likely Discharge Home After Rehabilitation Using Functional and Environmental Predictors, JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 30(4), 20210430
  43. Clinical Features for Identifying the Possibility of Toileting Independence after Convalescent Inpatient Rehabilitation in Severe Stroke Patients: A Decision Tree Analysis Based on a Nationwide Japan Rehabilitation Database, Journal of Stroke and Cerebrovascular Diseases, 30(2), 105483, 20201127
  44. Comparison of Supervised Machine Learning Algorithms for Classifying of Home Discharge Possibility in Convalescent Stroke Patients: A Secondary Analysis, JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 30(10), 202110
  45. Development and Validation of Machine Learning-Based Prediction for Dependence in the Activities of Daily Living after Stroke Inpatient Rehabilitation: A Decision-Tree Analysis, JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 29(12), 20201231
  46. The Effects of Vestibular Rehabilitation on Gait Performance in Patients with Stroke: A Systematic Review of Randomized Controlled Trials, JOURNAL OF STROKE & CEREBROVASCULAR DISEASES, 29(11), 20201130
  47. A model used to consider lower extremity range of motion to identify fall experience in community-dwelling older women: a retrospective study, International Journal of Gerontology, 14(4), 304-309, 20201101
  48. Effects of exoskeletal lower limb robot training on the activities of daily living in stroke patients: re-post comparison using propensity score matched analysis, Journal of Stroke and Cerebrovascular Diseases, 29(10), 105176, 20201031
  49. Clinical prediction rule for early recovery of knee range of motion after total knee arthroplasty: A prospective study, Physical Therapy Research, 23(2), 202-208, 20200928
  50. Reliability of a markerless motion capture system to measure the trunk, hip and knee angle during walking on a flatland and a treadmill, Journal of Biomechanics, 109, 109929, 20200826
  51. Prediction models considering psychological factors to identify pain relief in conservative treatment of people with knee osteoarthritis: A multicenter, prospective cohort study, Journal of Orthopaedic Science, 25, 618-626, 20200630
  52. The Effects of a Multicomponent Lower Extremity Training Technique on Physical Function in Healthy Older Adults: A Randomized Controlled Trial, GERONTOLOGY AND GERIATRIC MEDICINE, 6, 20200622
  53. Efficient predictors for the decline of activities of daily living in patients with hip fracture one year after surgery: A multicenter prospective cohort study, JOURNAL OF BACK AND MUSCULOSKELETAL REHABILITATION, 33(4), 553-560, 20200620
  54. Effect of an intensive functional rehabilitation program on the recovery of activities of daily living after total knee arthroplasty: a multicenter, randomized, controlled trial, Journal of Orthopaedic Science, 25, 285-290, 20200530
  55. Self-reported physical activity is related to knee muscle strength on the unaffected side and walking ability in patients with knee osteoarthritis awaiting total knee arthroplasty: a cross-sectional study, Physiotherapy Theory and Practice, 21, 1-7, 20200521
  56. Factors associated with health-related quality of life in Japanese patients with hip osteoarthritis: A cross-sectional study, JOURNAL OF ORTHOPAEDICS TRAUMA AND REHABILITATION, 27(2), 113-118, 20200430
  57. Does body mass index influence quality-of-life recovery in individuals who underwent total knee arthroplasty: A prospective study, JOURNAL OF ORTHOPAEDICS TRAUMA AND REHABILITATION, 27(2), 107-112, 20200423
  58. Can muscle weakness and disability influence the relationship between pain catastrophizing and pain worsening in patients with knee osteoarthritis? A cross-sectional study, Brazilian Journal of Physical Therapy, 23(3), 266-272, 201905
  59. Measurement of the total body center of gravity during sit-to-stand motion using a markerless motion capture system., Medical Engineering & Physics, 66, 91-95, 201904
  60. Accuracy of classifying the movement strategy in the functional reach test using a markerless motion capture system, Journal of Medical Engineering and Technology, 43(2), 133-138, 201902
  61. Factors related to psychological distress in young and middle-aged Japanese residents in Thailand: a cross-sectional study, Journal of Public Health and Rehabilitation, 17, 49-57, 2019
  62. Can the amount of interventions during the convalescent phase predict the achievement of independence in activities of daily living in stroke patients? A retrospective cohort study, Journal of Stroke and Cerebrovascular Diseases, 27(9), 2436-2444, 201809
  63. Effective exercise intervention period for improving body function or activity in patients with knee osteoarthritis undergoing total knee arthroplasty: a systematic review and meta-analysis, Brazilian Journal of Physical Therapy, 22(4), 265-275, 201807
  64. Effect of Continuous Compression Stimulation on Pressure-Pain Threshold and Muscle Spasms in Older Adults With Knee Osteoarthritis: A Randomized Trial, Journal of manipulative and physiological therapeutics, 41(4), 315-322, 201805
  65. Validity of the total body center of gravity during gait using a markerless motion capture system, Journal of Medical Engineering and Technology, 30, 1-7, 201804
  66. Validity of time series kinematical data as measured by a markerless motion capture system on a flatland for gait assessment, Journal of Biomechanics, 11(71), 281-285, 201804
  67. Accumulation of advanced-glycation end products (AGEs) accelerates arthrogenic joint contracture in immobilized rat knee, Journal of Orthopaedic Research, 36(3), 854-863, 201803
  68. Association of Pain Quality with Pain Catastrophizing and Self-efficacy in People with Knee Osteoarthritis, Progress in Rehabilitation Medicine, 3, 201802
  69. Clinical Prediction Rule for Declines in Activities of Daily Living at 6 Months After Surgery for Hip Fracture Repair, Archives of Physical Medicine and Rehabilitation, 97(12), 2076-2084, 201612
  70. Cyclooxygenase-2 inhibitor celecoxib attenuates joint contracture following immobilization in rat knees, BMC musculoskeletal disorders, 17(1), 1-10, 201610
  71. Effects of exercise therapy on walking ability in individuals with knee osteoarthritis: a systematic review and meta-analysis of randomised controlled trials, Clinical Rehabilitation, 30(1), 36-52, 201601
  72. Does exercise therapy improve the health-related quality of life of people with knee osteoarthritis? A systematic review and meta-analysis of randomized controlled trials, Journal of Physical Therapy Science, 27(10), 3309-3314, 201510
  73. Psychological Factors Associated with Pain Worsening in Individuals with Knee Osteoarthritis? A Systematic Review, Journal of Novel Physiotherapies, 5, 268, 201506
  74. Interaction between gastrocnemius muscle weakness and moderate exercise deteriorates joint integrity in rat knee, Scandinavian Journal of Medicine & Science in Sports, 25(11), e11-e19, 201502
  75. Effect of the Frequency and Duration of Land-based Therapeutic Exercise on Pain Relief for People with Knee Osteoarthritis: A Systematic Review and Meta-analysis of Randomized Controlled Trials, Journal of Physical Therapy Science, 26(7), 969-975, 201407
  76. Efficacy of strengthening or aerobic exercise on pain relief in people with knee osteoarthritis: a systematic review and meta-analysis of randomized controlled trials, Clinical Rehabilitation, 27(12), 1059-1071, 201312
  77. Amount of torque and duration of stretching affects correction of knee contracture in a rat model of spinal cord injury, Clinical Orthopaedics and Related Research, 471(11), 3626-3636, 201311
  78. Does Exercise Intervention Improve Muscle Strength and Balance of Japanese Subjects with Osteoporosis? : a Systematic Review and Meta-analysis of Randomized Controlled Trials, Journal of Physical Therapy Science, 25(4), 397-401, 201305
  79. Evidence of Improvement in Various Impairments by Exercise Interventions in Patients with Knee Osteoarthritis: A Systematic Review and Meta-analysis of Randomized Clinical Trials, Journal of the Japanese Physical Therapy Association = Rigaku ryoho, 16(1), 7-21, 201301
  80. Exercise Intervention to Improve the Bone Mineral Density and Bone Metabolic Markers as Risk Factors for Fracture in Japanese Subjects with Osteoporosis: a Systematic Review and Meta-analysis of Randomized Controlled Trials, Journal of Physical Therapy Science, 24(12), 1349-1353, 201212

Invited Lecture, Oral Presentation, Poster Presentation

  1. Effect of gait modification on knee pain: A systematic review and meta-analysis., Tanaka R, Tamura H, Hirohama K, Hamada K, Imura T, Mitsutake T, 16th Asian Confederation for Physical Therapy Congress, 2023/11/25, Without Invitation, English
  2. Relationship between observation-based gait abnormality assessment and physical activity after one year in patients with knee osteoarthritis, Yamashina S, Harada K, Tanaka R, Inoue Y, ISPRM 2022, 2022/07/03, Without Invitation, English, International Society of Physical and Rehabilitation Medicine
  3. The relationship between frailty and body composition in older adults, Tanaka S, Jung H, Tanaka R, ISPRM 2022, 2022/07/03, Without Invitation, English, International Society of Physical and Rehabilitation Medicine
  4. Minimal clinically important differences of the Japanese knee injury and osteoarthritis outcome score (J-KOOS) in patients who underwent total knee arthroplasty, Nishimoto J, Tanaka S, Inoue Y, Tanaka R, World Physiotherapy Asia Western Pacific Regional Congress with HKPA Conference, 2022/06/19, Without Invitation, English, World Physiotherapy World Physiotherapy Asia Western Pacific Regional Congress
  5. The effects of walking training with poles on walking ability: a systematic review and meta-analysis of randomized controlled trials, Ono K, Nishimoto J, Imura T, Mitsutake T, Inoue Y, Tanaka S, Tanaka R, World Physiotherapy World Physiotherapy Asia Western Pacific Regional Congress with HKPA Conference 2022, 2022/06/19, Without Invitation, English, World Physiotherapy World Physiotherapy Asia Western Pacific Regional Congress
  6. Development of a prediction model for therapeutic effects of robot-assisted gait training for stroke patients, Taki S, Imura T, Mitsutake T, Iwamoto Y, Degami A, Imada N, Araki H, Araki O, Tanaka R, World Physiotherapy World Physiotherapy Asia Western Pacific Regional Congress with HKPA Conference 2022, 2022/06/19, Without Invitation, English, World Physiotherapy World Physiotherapy Asia Western Pacific Regional Congress
  7. Clinical prediction rule for identifying the stroke patients who will obtain clinically important improvement of upper limb motor function by robot-assisted upper limb rehabilitation, Iwamoto Y, Tanaka R, Imura T, Mitsutake T, Jung H, Suzukawa T, Taki S, Imada N, Inagawa T, Araki H, Araki O, World Physiotherapy World Physiotherapy Asia Western Pacific Regional Congress with HKPA Conference 2022, 2022/06/19, Without Invitation, English, World Physiotherapy World Physiotherapy Asia Western Pacific Regional Congress
  8. Clinical Prediction Rule for Pain Relief in Conservative Treatment of Patients with Knee Osteoarthritis, Tanaka R, Ozawa J, International Society of Physical and Rehabilitation Medicine (ISPRM) 2018 Conference (Paris), 2018, Without Invitation, English
  9. Effect of an Intensive Functional Rehabilitation Program on the Recovery of Activities of Daily Living after Total Knee Arthroplasty -A Multicenter, Randomized, Controlled Trial-, Tanaka R, Hayashizaki T, Taniguchi R, Kobayashi J, Umehara T, WCPT-AWP & PTAT Congress 2017 (Bangkok), 2017, Without Invitation, English
  10. The Influence of Catastrophizing on Pain Worsening Via Disuse and Disability in Patients with Symptomatic Knee Osteoarthritis., Tanaka R, Hirohama K, Ozawa J, 2016, Without Invitation, English
  11. Does Exercise Therapy Improve Health-related Quality of Life in People with Knee osteoarthritis? : A Systematic Review, Tanaka R, Ozawa J, Kito N, Moriyama, H, The European League Against Rheumatism (EULAR) 2015 (Roma), 2015, Without Invitation, English
  12. Effects of Exercise Therapy on Walking Ability in Individuals with Knee Osteoarthritis: A Systematic Review and Meta-analysis of Randomised Controlled Trials, Tanaka R, Ozawa J, Kito N, Moriyama, H, Asia-Oceanian Conference of Physical and Rehabilitation Medicine 2014 (Bangkok), 2014, Without Invitation, English
  13. Land-based Exercises Duration or Frequency does not Influence Effectiveness of Reducing Pain in Osteoarthritis of the Knee : A meta-analysis., Tanaka R, Ozawa J, Kito N, World Physical Therapy 2011 (Amsterdam), 2011, Without Invitation, English