J Nijs

Summary

Affiliation: Vrije Universiteit Brussel
Country: Belgium

Publications

  1. ncbi request reprint High prevalence of Mycoplasma infections among European chronic fatigue syndrome patients. Examination of four Mycoplasma species in blood of chronic fatigue syndrome patients
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, KRO Gebouw 1, Laarbeeklaan 101, 1090 Brussel, Belgium
    FEMS Immunol Med Microbiol 34:209-14. 2002
  2. ncbi request reprint Chronic fatigue syndrome: exercise performance related to immune dysfunction
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
    Med Sci Sports Exerc 37:1647-54. 2005
  3. ncbi request reprint Impairments of the 2-5A synthetase/RNase L pathway in chronic fatigue syndrome
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
    In Vivo 19:1013-21. 2005
  4. doi request reprint Intracellular immune dysfunction in myalgic encephalomyelitis/chronic fatigue syndrome: state of the art and therapeutic implications
    Jo Nijs
    Vrije Universiteit Brussel, Faculty of Physical Education and Physiotherapy, Department of Human Physiology, Building L, Pleinlaan 2, 1050 Brussels, Belgium
    Expert Opin Ther Targets 12:281-9. 2008
  5. doi request reprint Fear of movement and avoidance behaviour toward physical activity in chronic-fatigue syndrome and fibromyalgia: state of the art and implications for clinical practice
    Jo Nijs
    Pain in Motion research group, Department of Human Physiology and Rehabilitation Sciences, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Building L Mfys, Pleinlaan 2, 1050 Brussels, Belgium
    Clin Rheumatol 32:1121-9. 2013
  6. doi request reprint Thinking beyond muscles and joints: therapists' and patients' attitudes and beliefs regarding chronic musculoskeletal pain are key to applying effective treatment
    Jo Nijs
    Chronic Pain and Chronic Fatigue Research Group CHROPIVER, Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, and Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Belgium
    Man Ther 18:96-102. 2013
  7. doi request reprint How to exercise people with chronic fatigue syndrome: evidence-based practice guidelines
    Deborah Van Cauwenbergh
    Chronic Pain and Chronic Fatigue Research Group CHROPIVER, Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Eur J Clin Invest 42:1136-44. 2012
  8. ncbi request reprint Dysfunctional endogenous analgesia during exercise in patients with chronic pain: to exercise or not to exercise?
    Jo Nijs
    Chronic Pain and Chronic Fatigue Research Group, Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
    Pain Physician 15:ES205-13. 2012
  9. doi request reprint Sensorimotor incongruence exacerbates symptoms in patients with chronic whiplash associated disorders: an experimental study
    Liesbeth Daenen
    Department of Neurology, Faculty of Medicine, University of Antwerp, Antwerp, Belgium
    Rheumatology (Oxford) 51:1492-9. 2012
  10. doi request reprint Kinesiophobia, catastrophizing and anticipated symptoms before stair climbing in chronic fatigue syndrome: an experimental study
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Disabil Rehabil 34:1299-305. 2012

Collaborators

Detail Information

Publications72

  1. ncbi request reprint High prevalence of Mycoplasma infections among European chronic fatigue syndrome patients. Examination of four Mycoplasma species in blood of chronic fatigue syndrome patients
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, KRO Gebouw 1, Laarbeeklaan 101, 1090 Brussel, Belgium
    FEMS Immunol Med Microbiol 34:209-14. 2002
    ..2%). Compared to American CFS patients (M. pneumoniae>M. hominis>M. penetrans), a slightly different pattern of mycoplasmal infections was found in European CFS patients (M. hominis>M. pneumoniae, M. fermentansz.Gt;M. penetrans)...
  2. ncbi request reprint Chronic fatigue syndrome: exercise performance related to immune dysfunction
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
    Med Sci Sports Exerc 37:1647-54. 2005
    ..Therefore, the aim of this cross-sectional study was to examine the interactions between several intracellular immune variables and exercise performance in CFS patients...
  3. ncbi request reprint Impairments of the 2-5A synthetase/RNase L pathway in chronic fatigue syndrome
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
    In Vivo 19:1013-21. 2005
    ..Studies addressing the treatment of the deregulation of the 2-5A synthetase/RNase L pathway in CFS are warranted...
  4. doi request reprint Intracellular immune dysfunction in myalgic encephalomyelitis/chronic fatigue syndrome: state of the art and therapeutic implications
    Jo Nijs
    Vrije Universiteit Brussel, Faculty of Physical Education and Physiotherapy, Department of Human Physiology, Building L, Pleinlaan 2, 1050 Brussels, Belgium
    Expert Opin Ther Targets 12:281-9. 2008
    ..Evidence in support of intracellular immune dysfunctions in people with myalgic encephalomyelitis (ME)/chronic fatigue syndrome (CFS) is accumulating, but few studies have addressed intracellular immunity as a potential therapeutic target...
  5. doi request reprint Fear of movement and avoidance behaviour toward physical activity in chronic-fatigue syndrome and fibromyalgia: state of the art and implications for clinical practice
    Jo Nijs
    Pain in Motion research group, Department of Human Physiology and Rehabilitation Sciences, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Building L Mfys, Pleinlaan 2, 1050 Brussels, Belgium
    Clin Rheumatol 32:1121-9. 2013
    ....
  6. doi request reprint Thinking beyond muscles and joints: therapists' and patients' attitudes and beliefs regarding chronic musculoskeletal pain are key to applying effective treatment
    Jo Nijs
    Chronic Pain and Chronic Fatigue Research Group CHROPIVER, Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, and Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Belgium
    Man Ther 18:96-102. 2013
    ....
  7. doi request reprint How to exercise people with chronic fatigue syndrome: evidence-based practice guidelines
    Deborah Van Cauwenbergh
    Chronic Pain and Chronic Fatigue Research Group CHROPIVER, Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Eur J Clin Invest 42:1136-44. 2012
    ..e. exercise duration, mode, number of treatment sessions, session length, duration of treatment, exercise intensity and whether or not to apply home exercise program) for people with CFS...
  8. ncbi request reprint Dysfunctional endogenous analgesia during exercise in patients with chronic pain: to exercise or not to exercise?
    Jo Nijs
    Chronic Pain and Chronic Fatigue Research Group, Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
    Pain Physician 15:ES205-13. 2012
    ..e. evidence based), it is currently unclear whether exercise has positive effects on the processes involved in chronic pain (e.g. central pain modulation)...
  9. doi request reprint Sensorimotor incongruence exacerbates symptoms in patients with chronic whiplash associated disorders: an experimental study
    Liesbeth Daenen
    Department of Neurology, Faculty of Medicine, University of Antwerp, Antwerp, Belgium
    Rheumatology (Oxford) 51:1492-9. 2012
    ..This study aimed to evaluate whether a visually mediated incongruence between motor output and sensory input aggravates symptoms and triggers additional sensations in patients with chronic WAD...
  10. doi request reprint Kinesiophobia, catastrophizing and anticipated symptoms before stair climbing in chronic fatigue syndrome: an experimental study
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Disabil Rehabil 34:1299-305. 2012
    ....
  11. doi request reprint Nociception affects motor output: a review on sensory-motor interaction with focus on clinical implications
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Clin J Pain 28:175-81. 2012
    ..Hence, in many cases neither patients nor clinicians are aware of the interaction. It is aimed at reviewing the scientific literature on nociception-motor interaction, with emphasis on clinical implications...
  12. doi request reprint In the mind or in the brain? Scientific evidence for central sensitisation in chronic fatigue syndrome
    Jo Nijs
    Department of Human Physiology, Vrije Universiteit Brussel VUB, Brussels, Belgium
    Eur J Clin Invest 42:203-12. 2012
    ..e. central sensitisation). Since then, several studies have examined central sensitisation in patients with CFS. This study provides an overview of such studies...
  13. pmc Central sensitization: a biopsychosocial explanation for chronic widespread pain in patients with fibromyalgia and chronic fatigue syndrome
    Mira Meeus
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel VUB, Brussel, Belgium
    Clin Rheumatol 26:465-73. 2007
    ..Further investigations could use similar protocols to those already used in studies on pain in FM like, for example, studies on temporal summation, spatial summation, the role of psychosocial aspects in chronic pain, etc...
  14. doi request reprint Treatment of central sensitization in patients with 'unexplained' chronic pain: what options do we have?
    Jo Nijs
    Artesis University College Antwerp, Antwerp, Belgium
    Expert Opin Pharmacother 12:1087-98. 2011
    ..Given the increasing evidence supporting the clinical significance of central sensitization in those with unexplained chronic pain, the awareness is growing that central sensitization should be a treatment target in these patients...
  15. ncbi request reprint Can submaximal exercise variables predict peak exercise performance in women with chronic fatigue syndrome?
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit, Brussels, Belgium
    Arch Med Res 38:350-3. 2007
    ..6+/-11.2% (range 0.1-63.7%). It is concluded that the prediction of VO2PEAK based on VO2SUBMAX might be useful for analyzing group differences or treatment effects but not for individual (clinical) purposes...
  16. doi request reprint Recognition of central sensitization in patients with musculoskeletal pain: Application of pain neurophysiology in manual therapy practice
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Man Ther 15:135-41. 2010
    ..The clinical examination used to recognize central sensitization entails the distinction between primary and secondary hyperalgesia...
  17. ncbi request reprint Comparison of two exercise testing protocols in patients with chronic fatigue syndrome
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
    J Rehabil Res Dev 44:553-9. 2007
    ..Further study is warranted...
  18. doi request reprint Breathing retraining in patients with chronic fatigue syndrome: a pilot study
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit, Brussel, Belgium
    Physiother Theory Pract 24:83-94. 2008
    ....
  19. doi request reprint Recruitment bias in chronic pain research: whiplash as a model
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
    Clin Rheumatol 30:1481-9. 2011
    ..In order to enhance the external validity of study findings, chronic WAD studies should combine a variety of recruitment procedures...
  20. doi request reprint Kinesiophobia and symptomatology in chronic fatigue syndrome: a psychometric study of two questionnaires
    Jo Nijs
    Department of Human Physiology, Vrije Universiteit Brussel, Brussel, Belgium
    Psychol Psychother 81:273-83. 2008
    ....
  21. ncbi request reprint Exercise performance and chronic pain in chronic fatigue syndrome: the role of pain catastrophizing
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit, Brussels, Belgium
    Pain Med 9:1164-72. 2008
    ....
  22. doi request reprint Rehabilitation of chronic whiplash: treatment of cervical dysfunctions or chronic pain syndrome?
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Building L Mfys, Pleinlaan 2, 1050 Brussels, Belgium
    Clin Rheumatol 28:243-51. 2009
    ..It is recommended to prevent sensorimotor incongruence, target cognitive-emotional sensitization, and apply a cognitive behavioral therapy-guided exercise program...
  23. ncbi request reprint Can pacing self-management alter physical behavior and symptom severity in chronic fatigue syndrome? A case series
    Jo Nijs
    Vrije Universiteit Brussel, Building L Mfys, Pleinlaan 2, BE 1050, Brussels, Belgium
    J Rehabil Res Dev 46:985-96. 2009
    ..The outcome of the present study calls for a randomized controlled clinical trial to examine the effectiveness of pacing self-management for people with CFS...
  24. doi request reprint Unravelling the nature of postexertional malaise in myalgic encephalomyelitis/chronic fatigue syndrome: the role of elastase, complement C4a and interleukin-1beta
    J Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
    J Intern Med 267:418-35. 2010
    ..The present study aimed at examining whether two different types of exercise results in changes in health status, circulating elastase activity, interleukin (IL)-1beta and complement C4a levels...
  25. doi request reprint How to explain central sensitization to patients with 'unexplained' chronic musculoskeletal pain: practice guidelines
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Man Ther 16:413-8. 2011
    ..Pain physiology education is a continuous process initiated during the educational sessions and continued within both the active treatment and during the longer term rehabilitation program...
  26. doi request reprint Long-term functioning following whiplash injury: the role of social support and personality traits
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Building L Mfys, Pleinlaan 2, BE 1050, Brussels, Belgium
    Clin Rheumatol 30:927-35. 2011
    ..For such studies, a broad view of long-term functioning within the biopsychological model should be applied...
  27. doi request reprint Tired of being inactive: a systematic literature review of physical activity, physiological exercise capacity and muscle strength in patients with chronic fatigue syndrome
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Disabil Rehabil 33:1493-500. 2011
    ..Future studies should use a wash-out period for medication use, blinded assessments, a priori power calculation and a sedentary control group comparable for age, gender, body weight, body length and current physical activity level...
  28. doi request reprint Primary care physical therapy in people with fibromyalgia: opportunities and boundaries within a monodisciplinary setting
    Jo Nijs
    Vrije Universiteit Brussel, Building L Mfys, Pleinlaan 2, BE 1050 Brussels, Belgium
    Phys Ther 90:1815-22. 2010
    ..Superior results are to be expected when various treatment components are combined...
  29. ncbi request reprint Pain in patients with chronic fatigue syndrome: does nitric oxide trigger central sensitisation?
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physical Therapy, Vrije Universiteit Brussel VUB, Belgium
    Med Hypotheses 64:558-62. 2005
    ....
  30. ncbi request reprint Diagnostic value of five clinical tests in patellofemoral pain syndrome
    Jo Nijs
    Division Musculoskeletal Physiotherapy, Department of Health Sciences, Hogeschool Antwerpen, Belgium
    Man Ther 11:69-77. 2006
    ..The negative likelihood ratios for all tests exceeded the threshold value of 0.5, suggestive of clinically irrelevant information. These data question the validity of clinical tests for the diagnosis of PFPS...
  31. ncbi request reprint Disability evaluation in chronic fatigue syndrome: associations between exercise capacity and activity limitations/participation restrictions
    J Nijs
    Department of Human Physiology, Faculty of Physical Education and Physical Therapy and Chronic Fatigue Clinic, Vrije Universiteit Brussel VUB, Belgium
    Clin Rehabil 18:139-48. 2004
    ....
  32. ncbi request reprint Chronic fatigue syndrome: intracellular immune deregulations as a possible etiology for abnormal exercise response
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physical Therapy Science, Vrije Universiteit Brussel, Brussel 1090, Belgium
    Med Hypotheses 62:759-65. 2004
    ..Finally, it is explored how several types of infections, frequently identified in CFS patients, fit into these hypothetical pathophysiological interactions...
  33. ncbi request reprint Chronic fatigue syndrome: lack of association between pain-related fear of movement and exercise capacity and disability
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physical Therapy Science, Vrije Universiteit Brussel, Brussels, Belgium
    Phys Ther 84:696-705. 2004
    ..The purpose of this study was to examine whether pain-related fear of movement is associated with exercise capacity, activity limitations, or participation restrictions in patients with CFS who experience widespread pain...
  34. ncbi request reprint Kinesiophobia in chronic fatigue syndrome: assessment and associations with disability
    Jo Nijs
    Department of Human Physiology, Vrije Universiteit Brussel, Brussel, Belgium
    Arch Phys Med Rehabil 85:1586-92. 2004
    ....
  35. ncbi request reprint Prediction of peak oxygen uptake in patients fulfilling the 1994 CDC criteria for chronic fatigue syndrome
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physical Therapy and Chronic Fatigue Clinic, Vrije Universiteit Brussel, Belgium
    Clin Rehabil 18:785-92. 2004
    ..To establish an inexpensive, simple method of predicting peak oxygen uptake (VO2peak) in patients fulfilling the 1994 Centers for Disease Control and Prevention (CDC) criteria for chronic fatigue syndrome (CFS)...
  36. ncbi request reprint The Chronic Fatigue Syndrome Activities and Participation Questionnaire (CFS-APQ): an overview
    Jo Nijs
    Department of Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel VUB, Brussels, Belgium
    Occup Ther Int 12:107-21. 2005
    ..50; n = 47). It is concluded that the CFS-APQ generates reliable and valid data, and can be used as a clinical measure of disease severity in patients with CFS. Future studies should aim at examining the sensitivity of the CFS-APQ...
  37. ncbi request reprint Employment status in chronic fatigue syndrome. A cross-sectional study examining the value of exercise testing and self-reported measures for the assessment of employment status
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Clin Rehabil 19:895-9. 2005
    ..To examine the value of exercise testing and self-reported disability for the assessment of employment status in patients with chronic fatigue syndrome...
  38. ncbi request reprint Psychometric properties of the Dutch Chronic Fatigue Syndrome--Activities and Participation Questionnaire (CFS-APQ)
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physical Therapy, Vrije Universiteit Brussel, Belgium
    Phys Ther 83:444-54. 2003
    ..In this study, the convergent validity, content validity, and test-retest reliability of data obtained with the Dutch-language version of the questionnaire were examined...
  39. ncbi request reprint Chronic musculoskeletal pain in chronic fatigue syndrome: recent developments and therapeutic implications
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Man Ther 11:187-91. 2006
    ..Studies examining the effectiveness of these strategies for CFS patients are warranted...
  40. ncbi request reprint Chronic fatigue syndrome: a risk factor for osteopenia?
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussel, Belgium
    Med Hypotheses 60:65-8. 2003
    ..IGF-I is critical to the proliferation of osteoblasts. Consequently, depleted levels of IGF-I may shift the balance between osteoclastic and osteoblastic activity towards bone resorption...
  41. ncbi request reprint Associations between bronchial hyperresponsiveness and immune cell parameters in patients with chronic fatigue syndrome
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physical Therapy, Academic Hospital, Vrije Universiteit Brussel, Belgium
    Chest 123:998-1007. 2003
    ..To examine whether bronchial hyperresponsiveness (BHR) in patients with chronic fatigue syndrome (CFS) is caused by immune system abnormalities...
  42. ncbi request reprint Generalized joint hypermobility is more common in chronic fatigue syndrome than in healthy control subjects
    Jo Nijs
    Department of Human Physiology Faculty of Physical Education and Physiotherapy Vrije Universiteit Brussel VUB, Belgium
    J Manipulative Physiol Ther 29:32-9. 2006
    ....
  43. doi request reprint Scapular-focused treatment in patients with shoulder impingement syndrome: a randomized clinical trial
    F Struyf
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, Artesis University College Antwerp, Antwerp, Belgium
    Clin Rheumatol 32:73-85. 2013
    ..In addition, the experimental group demonstrated a moderate (Cohen's dā€‰=ā€‰0.67) improvement in self-experienced pain at rest (VAS), whereas the control group did not change. The effects were maintained at three months follow-up...
  44. doi request reprint Evidence for central sensitization in chronic whiplash: a systematic literature review
    J Van Oosterwijck
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Eur J Pain 17:299-312. 2013
    ..Full text clinical reports addressing studies of central sensitization in human adults with chronic complaints due to a whiplash trauma were included and reviewed on methodological quality by two independent reviewers...
  45. doi request reprint Pain inhibition and postexertional malaise in myalgic encephalomyelitis/chronic fatigue syndrome: an experimental study
    J Van Oosterwijck
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    J Intern Med 268:265-78. 2010
    ....
  46. doi request reprint From acute musculoskeletal pain to chronic widespread pain and fibromyalgia: application of pain neurophysiology in manual therapy practice
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussels, Belgium
    Man Ther 14:3-12. 2009
    ..III) However, manual therapists ignoring the processes involved in the development and maintenance of chronic widespread pain/FM may cause more harm then benefit to the patient by triggering or sustaining central sensitisation...
  47. doi request reprint Does acupuncture activate endogenous analgesia in chronic whiplash-associated disorders? A randomized crossover trial
    Y Tobbackx
    Chronic Pain and Chronic Fatigue Research Group, Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Eur J Pain 17:279-89. 2013
    ..Therefore, the present study aimed at examining whether acupuncture results in activation of endogenous analgesia and relief in symptoms in patients with chronic WAD...
  48. pmc Altered breathing patterns during lumbopelvic motor control tests in chronic low back pain: a case-control study
    Nathalie Roussel
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, Artesis University College of Antwerp, 2170, Merksem, Belgium
    Eur Spine J 18:1066-73. 2009
    ..01). Changes in breathing pattern during motor control tests were not related to pain severity (P > 0.01), but were related to motor control dysfunction (P = 0.01)...
  49. doi request reprint Can exercise limits prevent post-exertional malaise in chronic fatigue syndrome? An uncontrolled clinical trial
    Jo Nijs
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    Clin Rehabil 22:426-35. 2008
    ..It was hypothesized that the use of exercise limits prevents symptom increases and worsening of their health status following a walking exercise in people with chronic fatigue syndrome...
  50. doi request reprint Reliability of the assessment of lumbar range of motion and maximal isometric strength in patients with chronic low back pain
    Nathalie A Roussel
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, University College of Antwerp, Belgium
    Arch Phys Med Rehabil 89:788-91. 2008
    ..To examine the interobserver reliability of the assessment of lumbar range of motion (ROM) and maximal isometric strength in patients with chronic low back pain (CLBP) using commercially available equipment...
  51. doi request reprint Scapular positioning in overhead athletes with and without shoulder pain: a case-control study
    F Struyf
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, Artesis University College Antwerp, Antwerp, Belgium
    Scand J Med Sci Sports 21:809-18. 2011
    ..Athletes with shoulder pain show a lack of scapular motor control on their painful side in contrast to their pain-free side. No scapular positioning or motor control differences were found in athletes with or without shoulder pain...
  52. doi request reprint Pain physiology education improves pain beliefs in patients with chronic fatigue syndrome compared with pacing and self-management education: a double-blind randomized controlled trial
    Mira Meeus
    Department of Health Sciences, Artesis University College, Antwerp, Belgium
    Arch Phys Med Rehabil 91:1153-9. 2010
    ..To examine whether pain physiology education was capable of changing pain cognitions and pain thresholds in patients with chronic fatigue syndrome (CFS) and chronic widespread pain...
  53. ncbi request reprint Scapular positioning in patients with shoulder pain: a study examining the reliability and clinical importance of 3 clinical tests
    Jo Nijs
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, Hogeschool, Antwerpen, Antwerp, Belgium
    Arch Phys Med Rehabil 86:1349-55. 2005
    ..To examine the interobserver reliability, internal consistency, and clinical importance of 3 clinical tests for the assessment of scapular positioning in patients with shoulder pain...
  54. doi request reprint Altered lumbopelvic movement control but not generalized joint hypermobility is associated with increased injury in dancers. A prospective study
    Nathalie Anne Roussel
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, Artesis University College of Antwerp, Belgium
    Man Ther 14:630-5. 2009
    ..Neither generalized joint hypermobility, evaluated with the Beighton score, nor a history of LBP was predictive of injuries. Further study of these interactions is required...
  55. doi request reprint Validity of cross-friction algometry procedure in referred muscle pain syndromes: preliminary results of a new referred pain provocation technique with the aid of a Fischer pressure algometer in patients with nonspecific low back pain
    Andre D Farasyn
    Vrije Universiteit Brussel, Brussels, Belgium
    Clin J Pain 24:456-62. 2008
    ..The new clinical examination method measures the provoked RP threshold resulting in an outcome, expressed in kg/cm2...
  56. ncbi request reprint Unravelling intracellular immune dysfunctions in chronic fatigue syndrome: interactions between protein kinase R activity, RNase L cleavage and elastase activity, and their clinical relevance
    Mira Meeus
    Department of Human Physiology, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Belgium
    In Vivo 22:115-21. 2008
    ..RNase L and elastase activity are related to daily functioning, thus evidence supporting the clinical importance of these immune dysfunctions in CFS patients was provided...
  57. ncbi request reprint Low back pain: clinimetric properties of the Trendelenburg test, active straight leg raise test, and breathing pattern during active straight leg raising
    Nathalie A Roussel
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, University College Antwerp, Belgium
    J Manipulative Physiol Ther 30:270-8. 2007
    ..The purpose of this study is to examine the reliability, internal consistency, and clinical importance of 3 clinical tests that analyze motor control mechanisms of the lumbopelvic region in patients with nonspecific LBP...
  58. ncbi request reprint Clinical assessment of scapular positioning in patients with shoulder pain: state of the art
    Jo Nijs
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, University College Antwerp, Belgium
    J Manipulative Physiol Ther 30:69-75. 2007
  59. ncbi request reprint Chronic musculoskeletal pain in patients with the chronic fatigue syndrome: a systematic review
    Mira Meeus
    Division of Musculoskeletal Physiotherapy, Higher Institute of Physiotherapy, Department of Health Care Sciences, Hogeschool Antwerpen HA, Van Aertselaerstraat 31, 2170 Merksem, Belgium
    Eur J Pain 11:377-86. 2007
    ..In addition to debilitating fatigue the majority of patients with chronic fatigue syndrome (CFS) experience chronic widespread pain...
  60. pmc Determining the intensity and energy expenditure during commuter cycling
    B de Geus
    Policy Research Centre for Sport, Physical Activity and Health, Vrije Universiteit Brussel, Brussels, Belgium
    Br J Sports Med 41:8-12. 2007
    ....
  61. doi request reprint Chronic fatigue syndrome: an approach combining self-management with graded exercise to avoid exacerbations
    Jo Nijs
    Division of Musculoskeletal Physiotherapy, Department of Health Care Sciences, University College Antwerp, Vrije Universiteit Brussel, Belgium
    J Rehabil Med 40:241-7. 2008
    ....
  62. doi request reprint Reduced pressure pain thresholds in response to exercise in chronic fatigue syndrome but not in chronic low back pain: an experimental study
    Mira Meeus
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, Artesis University College Antwerp, Merksem, Belgium
    J Rehabil Med 42:884-90. 2010
    ....
  63. doi request reprint Scapular positioning and movement in unimpaired shoulders, shoulder impingement syndrome, and glenohumeral instability
    F Struyf
    Department of Health Sciences, Division of Musculoskeletal Physiotherapy, Artesis University College Antwerp, Antwerp, Belgium
    Scand J Med Sci Sports 21:352-8. 2011
    ..This literature overview provides clinicians with insight into scapular kinematics in unimpaired shoulders and shoulders with impingement syndrome and instability...
  64. doi request reprint Diffuse noxious inhibitory control is delayed in chronic fatigue syndrome: an experimental study
    Mira Meeus
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, University College Antwerp HA, Belgium
    Pain 139:439-48. 2008
    ..In conclusion, delayed pain inhibition may play a role in chronic widespread pain in CFS but further research is required...
  65. ncbi request reprint Reliability of the assessment of lumbar range of motion and maximal isometric strength
    Nathalie Roussel
    Division of Musculoskeletal Physiotherapy, Department of Health Sciences, Hogeschool Antwerpen, Merksem, Belgium
    Arch Phys Med Rehabil 87:576-82. 2006
    ..To examine the interobserver reliability and intrasubject variability of the assessment of lumbar range of motion (ROM) and maximal isometric strength in asymptomatic subjects by using commercially available equipment...
  66. doi request reprint Evidence for generalized hyperalgesia in chronic fatigue syndrome: a case control study
    Mira Meeus
    Department of Health Sciences, Division of Musculoskeletal Physiotherapy, Artesis Hogeschool Antwerpen AHA, Merksem, Belgium
    Clin Rheumatol 29:393-8. 2010
    ..These findings provide evidence for the existence of hyperalgesia even in asymptomatic areas (generalized secondary hyperalgesia). The generalized hyperalgesia may represent the involvement of a sensitized central nervous system...
  67. pmc Clinical assessment of scapular positioning in musicians: an intertester reliability study
    Filip Struyf
    University College Antwerp, Antwerp, Belgium
    J Athl Train 44:519-26. 2009
    ..Overall, the reliability of the clinical tools used to assess scapular positioning has not been studied in musicians...
  68. ncbi request reprint Immunological similarities between cancer and chronic fatigue syndrome: the common link to fatigue?
    Mira Meeus
    Department of Health Sciences, Van Aertselaerstraat 31, 2170 Merksem, Belgium
    Anticancer Res 29:4717-26. 2009
    ..These anomalies may be part of the physiopathology of some of the common complaints, such as fatigue. Further studies to confirm the hypotheses given here are warranted...
  69. ncbi request reprint Nitric oxide concentrations are normal and unrelated to activity level in chronic fatigue syndrome: a case-control study
    Mira Meeus
    Division of Musculoskeletal Physiotherapy, Artesis University College AHA, Department of Health Sciences, Van Aertselaerstraat 31, 2170 Merksem, Belgium
    In Vivo 24:865-9. 2010
    ..since patients with chronic fatigue syndrome (CFS) often present elevated levels of nitric oxide (NO) and low levels of physical activity, this study aimed at revealing possible correlations between NO concentration and physical activity...
  70. ncbi request reprint Statistics and pain-related fear measures in acute low back pain
    Jo Nijs
    Man Ther 9:45-6; author reply 47-8. 2004
  71. ncbi request reprint Oxidative stress might reduce essential fatty acids in erythrocyte membranes of chronic fatigue syndrome patients
    Jo Nijs
    Nutr Neurosci 7:251-3. 2004
  72. ncbi request reprint Nitric oxide and chronic fatigue syndrome: Are we caring for our patients or are we practicing selfcare?
    Jo Nijs
    Med Hypotheses 66:449-50. 2006