Faculty / Researcher

Professor Prawit Janwantanakul, Ph.D.

ศาสตราจารย์ ดร.ประวิตร เจนวรรธนะกุล

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Research Interest

Work-related musculoskeletal disorders Sports rehabilitation Cryotherapy and Thermotherapy

Office

Department of Physical Therapy

Tel

+66 2218 1590

Email

prawit.j@chula.ac.th

Education

  • 2002 Doctor of Philosophy (Health Science), University of South Australia, Australia
  • 1998 Master of Medical Science (Sports Physiotherapy), University of South Australia, Australia
  • 1995 Bachelor of Science (Physical Therapy) Second class honors, Mahidol University, Thailand

Professional Experience

  • 2014-Present : 2nd Vice President, Physical Therapy Council of Thailand
  • 2012-2015 : Dean, Faculty of Allied Health Sciences, Chulalongkorn University
  • 2010-2011 : Secretary-General, Physical Therapy Council of Thailand
  • 2007-2014 : Secretary-General, Physical Therapy Network against Tobacco
  • 2003-2006 : Head, Department of Physical Therapy, Faculty of Allied Health Sciences, Chulalongkorn University

Publications

  1. Rawang, P., Janwantanakul, P., Correia, H., Jensen, M.P., Kanlayanaphotporn, R. Cross-cultural adaptation, reliability, and construct validity of the Thai version of the Patient-Reported Outcomes Measurement Information System-29 in individuals with chronic low back pain (2020) 29 (3), pp. 793-803. Link
  2. Sitthipornvorakul, E., Sihawong, R., Waongenngarm, P., Janwantanakul, P. The effects of walking intervention on preventing neck pain in office workers: A randomized controlled trial(2020) 62 (1), art. no. e12106, . Link
  3. Sonpeayung, R., Tantisuwat, A., Janwantanakul, P., Thaveeratitham, P.Role of abdominal obesity and body position in kinematics of the chest wall(2019) 16, art. no. 100141, . Link
  4. Areerak, K., Janwantanakul, P., van der Beek, A.J.Development and psychometric assessment of a health literacy-based questionnaire to differentiate between office workers with and without non-specific neck pain (2019) 102 (3), pp. 264-272. Link
  5. Udom, C., Kanlayanaphotporn, R., Janwantanakul, P. Predictors for Nonspecific Low Back Pain in Rubber Farmers: A 1-Year Prospective Cohort Study (2019) 31 (1), pp. 7-17. Link
  6. Sonpeayung, R., Tantisuwat, A., Janwantanakul, P., Thaveeratitham, P. Total and Compartmental Chest Wall Volumes, Lung Function, and Respiratory Muscle Strength in Individuals with Abdominal Obesity: Effects of Body Positions (2019) 2019, art. no. 9539846, Link
  7. Chaikumarn, M., Nakphet, N., Janwantanakul, P.Repeatability of electromyography normalization of the neck and shoulder muscles in symptomatic office workers (2018) 24 (3), pp. 422-430. Link
  8. Janwantanakul, P., Sihawong, R., Sitthipornvorakul, E., Paksaichol, A.A Path Analysis of the Effects of Biopsychosocial Factors on the Onset of Nonspecific Low Back Pain in Office Workers(2018) 41 (5), pp. 405-412. Link
  9. Chaikumarn, M., Nakphet, N., Janwantanakul, P.Impact of rest-break interventions on the neck and shoulder posture of symptomatic VDU operators during prolonged computer work(2018) 24 (2), pp. 251-259. Link
  10. Waongenngarm, P., Areerak, K., Janwantanakul, P.The effects of breaks on low back pain, discomfort, and work productivity in office workers: A systematic review of randomized and non-randomized controlled trials(2018) 68, pp. 230-239. Link
  11. Sitthipornvorakul, E., Klinsophon, T., Sihawong, R., Janwantanakul, P. The effects of walking intervention in patients with chronic low back pain: A meta-analysis of randomized controlled trials (2018) 34, pp. 38-46. Link
  12. Areerak, K., van der Beek, A.J., Janwantanakul, P.A health behavior screening tool for non-specific neck pain in office workers: A 1-year prospective cohort study(2018) 60 (5), pp. 410-418. https://www.scopus.com/inward/record.uri?eid=2-s2.0-85054075836&doi=10.1539%2fjoh.2018-0001-FS&partnerID=40&md5=06076a721071dff936c66e09823a4a99
  13. Areerak, K., Van Der Beek, A.J., Janwantanakul, P.Recovery from nonspecific neck pain in office workers(2018) 31 (4), pp. 727-734. Link
  14. Klinsophon, T., Janwantanakul, P., Thaveeratitham, P.Reliability of the thai version of the Fagerstrom Test for Nicotine Dependence (FTND)(2017) 100 (10), pp. 1130-1134. Link
  15. Klinsophon, T., Thaveeratitham, P., Sitthipornvorakul, E., Janwantanakul, P.Effect of exercise type on smoking cessation: A meta-analysis of randomized controlled trials(2017) 10 (1), art. no. 442, . Link
  16. Akkarakittichoke, N., Janwantanakul, P.Seat Pressure Distribution Characteristics During 1 Hour Sitting in Office Workers With and Without Chronic Low Back Pain(2017) 8 (2), pp. 212-219. Link
  17. Van Der Beek, A.J., Dennerlein, J.T., Huysmans, M.A., Mathiassen, S.E., Burdorf, A., Van Mechelen, W., Van Dieën, J.H., Frings-Dresen, M.H.W., Holtermann, A., Janwantanakul, P., Van Der Molen, H.F., Rempel, D., Straker, L., Walker-Bone, K., Coenen, P.A research framework for the development and implementation of interventions preventing work-related musculoskeletal disorders(2017) 43 (6), pp. 526-539. Link
  18. Ainpradub, K., Sitthipornvorakul, E., Janwantanakul, P., van der Beek, A.J.Effect of education on non-specific neck and low back pain: A meta-analysis of randomized controlled trials(2016) 22, pp. 31-41. Link
  19. Waongenngarm, P., Rajaratnam, B.S., Janwantanakul, P.Internal Oblique and Transversus Abdominis Muscle Fatigue Induced by Slumped Sitting Posture after 1 Hour of Sitting in Office Workers(2016) 7 (1), pp. 49-54. Link
  20. Udom, C., Janwantanakul, P., Kanlayanaphotporn, R.The prevalence of low back pain and its associated factors in Thai rubber farmers(2016) 58 (6), pp. 534-542. Link
  21. Sihawong, R., Sitthipornvorakul, E., Paksaichol, A., Janwantanakul, P.Predictors for chronic neck and low back pain in office workers: A 1-year prospective cohort study (2016) 58 (1), pp. 16-24. Link
  22. Ainpradub, K., Sitthipornvorakul, E., Janwantanakul, P., van der Beek, A.J.Response to Letter to the Editor Re: “Effect of education on non-specific neck and low back pain: A meta-analysis of randomized controlled trials”(2016) 23, pp. e5-e6. Link
  23. Janwantanakul, P., Sihawong, R., Sitthipornvorakul, E., Paksaichol, A.A screening tool for non-specific low back pain with disability in office workers: A 1-year prospective cohort study Rehabilitation, physical therapy and occupational health(2015) 16 (1), art. no. 298, . Link
  24. Purepong, N., Channak, S., Boonyong, S., Thaveeratitham, P., Janwantanakul, P.The effect of an acupressure backrest on pain and disability in office workers with chronic low back pain: A randomized, controlled study and patients’ preferences(2015) 23 (3), pp. 347-355. Link
  25. Wiputhanuphongs, A., Soontornvipart, K., Janwantanakul, P.Effect of physical therapy program after surgical correction of medial patellar luxation in small breed dogs (2015) 45 (4), pp. 573-580. Link
  26. Waongenngarm, P., Rajaratnam, B.S., Janwantanakul, P.Perceived body discomfort and trunk muscle activity in three prolonged sitting postures (2015) 27 (7), pp. 2183-2187. Link
  27. Paksaichol, A., Lawsirirat, C., Janwantanakul, P.Contribution of biopsychosocial risk factors to nonspecific neck pain in office workers: A path analysis model(2015) 57 (2), pp. 100-109. Link
  28. Sitthipornvorakul, E., Janwantanakul, P., Lohsoonthorn, V.The effect of daily walking steps on preventing neck and low back pain in sedentary workers: a 1-year prospective cohort study (2015) 24 (3), pp. 417-424. Link
  29. Tongterm, T., Suputtitada, A., Lawsirirat, C., Janwantanakul, P. Functional fitness Test for screening the risk of falls in the elderly: Using Decision Tree Technique (2015) 18 (6), pp. 104-111. Link
  30. Kanchanomai, S., Janwantanakul, P., Pensri, P., Jiamjarasrangsi, W. A prospective study of incidence and risk factors for the onset and persistence of low back pain in Thai university students (2015) 27 (2), pp. NP106-NP115. Link
  31. Sitthipornvorakul, E., Janwantanakul, P., Van Der Beek, A.J. Correlation between pedometer and the Global Physical Activity Questionnaire on physical activity measurement in office workers (2014) 7 (1), art. no. 280, . Link
  32. Paksaichol, A., Janwantanakul, P., Lawsirirat, C.Development of a neck pain risk score for predicting nonspecific neck pain with disability in office workers: A 1-year prospective cohort study(2014) 37 (7), pp. 468-475. Link
  33. Nakphet, N., Chaikumarn, M., Janwantanakul, P.Effect of different types of rest-break interventions on neck and shoulder muscle activity, perceived discomfort and productivity in symptomatic VDU operators: A randomized controlled trial (2014) 20 (2), pp. 339-353. Link
  34. Sihawong, R., Janwantanakul, P., Jiamjarasrangsi, W.A prospective, cluster-randomized controlled trial of exercise program to prevent low back pain in office workers(2014) 23 (4), pp. 786-793. Link
  35. Sihawong, R., Janwantanakul, P., Jiamjarasrangsi, W.Effects of an exercise programme on preventing neck pain among office workers: A 12-month cluster-randomised controlled trial(2014) 71 (1), pp. 63-70. Link
  36. Sooksawat, A., Janwantanakul, P., Tencomnao, T., Pensri, P.Are religious beliefs and practices of Buddhism associated with disability and salivary cortisol in office workers with chronic low back pain?(2013) 14, art. no. 29, . Link
  37. Kanchanomai, S., Janwantanakul, P., Jiamjarasrangsi, W.One-year incidence and risk factors of thoracic spine pain in undergraduate students(2013) 25 (1), pp. 15-20. Link
  38. Kanchanomai, S., Janwantanakul, P., Pensri, P., Jiamjarasrangsi, W.Prevalence of and factors associated with musculoskeletal symptoms in the spine attributed to computer use in ndergraduate students(2012) 43 (4), pp. 497-506. Link
  39. Sihawong, R., Janwantanakul, P., Pensri, P.Incidence of and risk factors for musculoskeletal symptoms in the neck and low-back during severe flooding in Bangkok in 2011(2012) 44 (8), pp. 624-628. Link
  40. Janwantanakul, P., Sitthipornvorakul, E., Paksaichol, A.Risk factors for the onset of nonspecific low back pain in office workers: A systematic review of prospective cohort studies(2012) 35 (7), pp. 568-577. Link
  41. Purepong, N., Jitvimonrat, A., Sitthipornvorakul, E., Eksakulkla, S., Janwantanakul, P.External validity in randomised controlled trials of acupuncture for osteoarthritis knee pain(2012) 30 (3), pp. 187-194. Link
  42. Paksaichol, A., Janwantanakul, P., Purepong, N., Pensri, P., Van Der Beek, A.J.Office workers’ risk factors for the development of non-specific neck pain: A systematic review of prospective cohort studies(2012) 69 (9), pp. 610-618. Link
  43. Pensri, P., Janwantanakul, P. Effectiveness of brief education combined with a home-based exercise program on pain and disability of office workers with chronic low back pain: A pilot study (2012) 24 (2), pp. 217-222. Link
  44. Janwantanakul, P., Prombumroong, J., Pensri, P.In response(2012) 83 (1), p. 67. Link
  45. Prombumroong, J., Janwantanakul, P., Pensri, P.Prevalence of and biopsychosocial factors associated with low back pain in commercial airline pilots(2011) 82 (9), pp. 879-884. Link
  46. Kanchanomai, S., Janwantanakul, P., Pensri, P., Jiamjarasrangsi, W.Risk factors for the onset and persistence of neck pain in undergraduate students: 1-year prospective cohort study(2011) 11, art. no. 566, . Link
  47. Sitthipornvorakul, E., Janwantanakul, P., Purepong, N., Pensri, P., Van Der Beek, A.J.The association between physical activity and neck and low back pain: A systematic review(2011) 20 (5), pp. 677-689. Link
  48. Janwantanakul, P., Pensri, P., Moolkay, P., Jiamjarasrangsi, W.Development of a risk score for low back pain in office workers -a cross-sectional study(2011) 12, art. no. 23, . Link
  49. Sihawong, R., Janwantanakul, P., Sitthipornvorakul, E., Pensri, P.Exercise therapy for office workers with nonspecific neck pain: A systematic review(2011) 34 (1), pp. 62-71. Link
  50. Pensri, P., Janwantanakul, P., Chaikumarn, M.Biopsychosocial factors and musculoskeletal symptoms of the lower extremities of saleswomen in department stores in Thailand(2010) 52 (2), pp. 132-141. Link
  51. Janwantanakul, P., Pensri, P., Jiamjarasrangsi, W., Sinsongsook, T.The relationship between upper extremity musculoskeletal symptoms attributed to work and risk factors in office workers(2010) 83 (3), pp. 273-281. Link
  52. Pensri, P., Janwantanakul, P., Chaikumarn, M.Biopsychosocial risk factors for musculoskeletal symptoms of the spine in salespeople (2010) 16 (3), pp. 303-311. Link
  53. Pensri, P., Janwantanakul, P., Worakul, P., Sinsongsook, T.Biopsychosocial factors and perceived disability in saleswomen with concurrent low back pain(2010) 1 (2), pp. 149-157. Link
  54. Pensri, P., Janwantanakul, P., Chaikumarn, M. Prevalence of self-reported musculoskeletal symptoms in salespersons (2009) 59 (7), pp. 499-501. Link
  55. Janwantanakul, P., Pensri, P., Jiamjarasrangsi, W., Sinsongsook, T. Associations between prevalence of self-reported musculoskeletal symptoms of the Spine and biopsychosocial factors among office workers (2009) 51 (2), pp. 114-122. Link
  56. Janwantanakul, P. The effect of quantity of ice and size of contact area on ice pack/skin interface temperature (2009) 95 (2), pp. 120-125. Link
  57. Janwantanakul, P., Pensri, P., Jiamjarasrangsi, W., Sinsongsook, T. Biopsychosocial Factors Are Associated with High Prevalence of Self-reported Musculoskeletal Symptoms in the Lower Extremities Among Office Workers (2009) 40 (3), pp. 216-222. Link
  58. Janwantanakul, P., Pensri, P., Jiamjarasrangsri, V., Sinsongsook, T.Prevalence of self-reported musculoskeletal symptoms among office workers (2008) 58 (6), pp. 436-438. Link
  59. Janwantanakul, P. Cold pack/skin interface temperature during ice treatment with various levels of compression (2006) 92 (4), pp. 254-259. Link
  60. Kanlayanaphotporn, R., Janwantanakul, P. Comparison of skin surface temperature during the application of various cryotherapy modalities (2005) 86 (7), pp. 1411-1415. Link
  61. Janwantanakul, P., Gaogasigam, C. Vastus lateralis and vastus medialis obliquus muscle activity during the application of inhibition and facilitation taping techniques (2005) 19 (1), pp. 12-19. Link
  62. Janwantanakul, P. Different rate of cooling time and magnitude of cooling temperature during ice bag treatment with and without damp towel wrap (2004) 5 (3), pp. 156-161. Link
  63. Janwantanakul, P., Magarey, M.E., Jones, M.A., Grimmer, K.A., Miles, T.S. The effect of body orientation on shoulder proprioception(2003) 4 (2), pp. 67-73. Link
  64. Janwantanakul, P., Jones, M.A., Magarey, M.E., Miles, T.S.Characteristics of shoulder-position sense: Effects of mode of movement, scapular support, and arm orientation(2002) 11 (3), pp. 157-168. Link
  65. Janwantanakul, P., Magarey, M.E., Jones, M.A., Dansie, B.R.Variation in shoulder position sense at mid and extreme range of motion(2001) 82 (6), pp. 840-844. Link
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