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  • 1
    Electronic Resource
    Electronic Resource
    Chronic asthma and chiropractic spinal manipulation: a randomized clinical trial (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical & experimental allergy 25 (1995), S. 0 
    Details
    ISSN: 1365-2222
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The purpose of this randomized patient- and observer-blinded cross-over trial was to evaluate the efficacy of chiropractic treatment in the management of chronic asthma when combined with pharmaceutical maintenance therapy. The trial was conducted at the National University Hospital's Out-patient Clinic in Copenhagen, Denmark. Thirty-one patients aged 18–44 years participated, all suffering from chronic asthma controlled by bronchodilators and/or inhaled steroids. Patients, or who had received chiropractic treatment for asthma within the last 5 years, who received oral steroids and immunotherapy, were not eligible. Patients were randomized to receive either active chiropractic spinal manipulative treatment or sham chiropractic spinal manipulative treatment twice weekly for 4 weeks, and then crossed over to the alternative treatment for another 4 weeks. Both phases were preceded and followed by a 2-week period without chiropractic treatment. The main outcome measurements were forced expiratory volume in the first second (FEV1), forced vital capacity (FVC), daily use of inhaled bronchodilators, patient-rated asthma severity and non-specific bronchial reactivity (n-BR). Using the cross-over analysis, no clinically important or statistically significant differences were found between the active and sham chiropractic interventions on any of the main or secondary outcome measures. Objective lung function did not change during the study, but over the course of the study, non-specific bronchial hyperreactivity (n-BR) improved by 36% (P= 0.01) and patient-rated asthma severity decreased by 34% (P= 0.0002) compared with the baseline values. The results do not support the hypothesis that chiropractic spinal manipulative therapy is superior to sham spinal manipulation in the management of pharmaceutically controlled chronic asthma in adults when administered twice weekly for 4 weeks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2222.1995.tb01006.x
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  • 2
    Electronic Resource
    Electronic Resource
    Functional restoration in chronic low back pain (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of medicine & science in sports 6 (1996), S. 0 
    Details
    ISSN: 1600-0838
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine , Sports Science
    Notes: Conventional treatments have not slowed down the ever expanding low back pain (LBP) problem. Traditional treatment has most probably contributed to the growth of the problem. Therefore, in a search for new solutions, ‘functional restoration’ has been devised. In connection with chronic LBP the term has been associated with a full-day program lasting from 3 to 5 weeks. it includes multidisciplinary treatment of patients in groups with intensive physical and ergonomic training, psychological pain management, back school, as well as teaching in social/work related issues. The key concepts are ‘acceptance of the pain’, ‘activity’, ‘self-responsibility’, ‘multidisciplinary’ and ‘quantitative functional evaluation (QFE)’. The latter is aimed so that the participants can feel the physical improvement, encouraging them to be able to go back to work, or at least to lead a more active life style. Several controlled studies suggest a lasting effect in terms of regaining their ability to work and improving pain behavior for a good part of disabled chronic LBP patients. However, it is noteworthy that randomized studies seemingly show poorer results than studies not employing randomized controls.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1600-0838.1996.tb00076.x
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  • 3
    Electronic Resource
    Electronic Resource
    Modulation of Natural Killer Cell Activity in Peripheral Blood by Physical Exercise (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 27 (1988), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The present study was designed to examine the effect of physical exercise on human natural killer (NK) cells. Six healthy volunteers underwent two different acute physical exercise tests with an interval of at least 1 week: (1) 60min bicycle exercise at 80% of maximal oxygen uptake (VO2max) and (2) 60 min back-muscle training at up to 29% of VO2max; blood samples were collected before and during the last few minutes of exercise, as well as 2 h and 24 h afterwards. The NK cell activity (lysis/fixed number of mononuclear cells) increased during bicycle exercise, dropped to a minimum 2 h later and returned to pre-exercise levels within 24 h. Back-muscle exercise did not significantly influence NK cell activity. Plasma levels of adrenaline, noradrenaline, and cortisol were elevated during bicycling, but not during back-muscle exercise, indicating that exercise intensity is a determinant of NK cell activity. During bicycle exercise the NK cell subset (CD 16+ cells) of mononuclear cells increased significantly. Furthermore an improved interleukin 2 (IL-2) boosting of the NK cell activity was found during work as compared to IFN-α and indomethacin-enhanced NK cell activity. These results indicate that NK cells with a high IL-2 response capacity are recruited to the peripheral blood during exercise. The decreased NK cell activity demonstrated 2 h after work was probably not due to fluctuations in size of the NK cell pool, since the proportion of CD16+ cells was normal. The finding that indomethacin fully restored the suppressed NK cell activity in vitro and the demonstration of a twofold increase in monocyte (CD20+ cells) proportions 2 h after work, strongly indicate that prostaglandins released by monocytes during the heavy physical exercise are responsible for the down-regulation of the NK cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1988.tb02400.x
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of Physical Exercise on Blood Mononuclear Cell Subpopulations and in Vitro Proliferative Responses (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 29 (1989), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The present study was designed to examine the effect of physical exercise on subsets and proliferative responses of blood mononuclear cells. Sixteen young, healthy volunteers underwent 60min of bicycle exercise at 75% of maximal oxygen uptake (VO2max). After an interval of at least 1 week, six of the subjects underwent a 60-min back muscle training period at up to 30% of VO2max. Blood samples were collected before and during the last minutes of exercise, as well as 2 and 24 h later. Blood mononuclear cell (BMNC) subpopulations were determined and the proliferate responses after incubation with phytohaemagglutinin (PHA) or purified derivative of tuberculin (PPD), were quantified by [3H]thymidine incorporation. During bicycle exercise the relative blood concentration of T cells (CD3+ cells) declined, mainly due to a fall in T helper cells (CD4+ cells). The natural killer (NK) cell subset (CD16+ cells) increased during work, but reverted after; the monocytes (CD14+ cells) increased 2 h after work, whereas the B-cell subset (CD20+ cells) did not change. BMNC subsets were not significantly changed by back muscle exercise. The PHA-induced proliferative response decreased during bicycle exercise, whereas the PPD-induced response did not change. No significant changes occurred during back muscle exercise. Investigation of subgroups after incubation with [3H]thymidine showed that the proliferative response per CD4+ cell did not change in relation to exercise, but the contribution of the CD4+ subgroup to proliferation declined during bicycle exercise due to the decreased proportion of CD4+ cells. The suppression of the PHA response during bicycle exercise can be explained in part by a relative fall in CD4+ cells. The pool sizes of BMNC subfraction may be elicited by increased catecholamine and cortisol levels.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1989.tb01137.x
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  • 5
    Electronic Resource
    Electronic Resource
    A prospective, randomized 5-year follow-up study of functional restoration in chronic low back pain patients (1998)
    Springer
    European spine journal 7 (1998), S. 111-119 
    Details
    ISSN: 1432-0932
    Keywords: Key words Chronic low back pain ; Functional restoration ; Rehabilitation ; Intensive ; multidisciplinary treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A functional restoration (FR) program, dealing with a combination of intensive physical and ergonomic training, psychological pain management, and patient education, was tested in two randomized, parallel group studies. In one of these patients following the FR program were compared with a non-treated control group (project A), and in the other with patients on two less intensive treatment programs (project B). A total of 238 chronic low back pain patients participated in the two studies, 106 entering project A and 132 project B. Patients from the two projects were comparable except that the patients in project A were recruited from all over the country, whereas patients in project B all were living in and around Copenhagen. Thirteen patients never started any treatment, and 20 patients (9%) dropped out during the treatment period. Of the 207 who completed treatment, 89% returned a mailed questionnaire 5 years later. This was the case for 55% of the drop-outs. The questions referred to work situation, pain level, activities of daily living, days of sick leave, contact with health care professionals, physical activity, use of medication, and a subjective overall assessment. The results show that in project A the treated group reported significantly fewer contacts with the health care system and significantly fewer days of sick leave over the 5-year follow-up period compared to the control group. In all other parameters, including work ability, there was no statistically significant difference between the two groups. In project B, patients treated in the FR program did significantly better in most measured parameters, except in leg pain, use of pain medication and sport activity, where no significant differences were found between groups. The overall result shows a positive long-term effect of the FR program, but it also shows the necessity of testing a given treatment in different projects and designs, among other things due to statistical variations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005860050040
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Active treatment programs for patients with chronic low back pain: a prospective, randomized, observer-blinded study (1995)
    Springer
    European spine journal 4 (1995), S. 148-152 
    Details
    ISSN: 1432-0932
    Keywords: Low back pain ; Rehabilitation ; Physical fitness ; Psychological pain management ; Occupational medicine
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Several new studies have indicated that an active approach to patients with chronic disabling low back pain (LBP) seems effective. Some of these studies emphasize the importance of dealing with the patient's total situation in comprehensive multidisciplinary programs — the bio-psycho-social model. However, these programs are expensive. The aim of this study was to evaluate the rehabilitation outcome from three different active programs in terms of: (1) return-to-work rate, (2) days of sick leave, (3) health-care contacts, (4) pain and disability scores, and (5) staying physically active. The subjects included 132 patients randomized to the study, of whom 123 started one of the treatment programs. They had all had at least 6 months of chronic LBP. The patients were randomized into one of three programs: group 1 — a full-time, intensive 3-week multidisciplinary program, including active physical and ergonomic training and psychological pain management, followed by 1 day weekly for the subsequent 3 weeks; group 2 — active physical training, twice a week for 6 weeks, for a total of 24h; group 3 — psychological pain management combined with active physical training, twice a week for 6 weeks, also for a total of 24h. The results presented here are based on data collected 4 months following treatment, which shows an 86% response rate. The initial examination and the follow-up evaluation were performed by a blinded observer. The results show that 4 months after treatment, the intensive multidisciplinary program is superior to the less intensive programs in terms of return-to-work rate, health-care contacts, pain and disability scores, and staying physically active. In conclusion, it seems that although the multidisciplinary program is initially expensive compared to the less intensive programs, the savings in sick pay, early retirement pensions, and health care contacts make it economically worthwhile. Long-term follow-up will show whether this effect continues.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00298239
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  • 7
    Electronic Resource
    Electronic Resource
    A method for electromyographic analysis of muscular contraction frequencies (1984)
    Springer
    European journal of applied physiology 53 (1984), S. 112-117 
    Details
    ISSN: 1439-6327
    Keywords: Electromyography ; Muscular contraction frequency ; Muscular load ; Musculo-venous pump ; Human engineering
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A method for evaluation of muscular contraction frequencies during prolonged work is presented. It is based upon computer-aided electromyographic (EMG) analyses. Variations in muscular tension, expressed as the relative force of contraction or torque in the joint, are followed using previously described EMG techniques. The number of times muscular tension crosses an amplitude band from below is then estimated. The band represents a predetermined range of amplitude. It is moved in steps from the lowest to the highest force level which occurred during the work task, and the frequency of band-crossings is computed for each band position. The frequencies are then plotted against the force levels at which the upper limit of the band was placed. From this relationship a frequency/force index is computed. The analysis is repeated several times using different band-widths. Thus, the method considers the contraction frequencies according to the load levels. It was developed to study the function of the musculo-venous pump in the legs during prolonged sedentary work, but might also be used to analyse such factors as muscular strain during work.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00422572
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    Paper (German National Licenses)
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