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Effect of two different exercise regimens on trunk muscle morphometry and endurance in soldiers in training. Phys Ther 2013; 93:1211-24. [PMID: 23064733 DOI: 10.2522/ptj.20120152] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND Limited evidence exists on how strength and endurance exercises commonly used to prevent low back pain affect muscle morphometry and endurance. OBJECTIVE The purpose of this study was to analyze the effects of 2 exercise regimens on the morphometry and endurance of key trunk musculature in a healthy population. DESIGN The study was designed as a randomized controlled trial. SETTING The study was conducted in a military training setting. PARTICIPANTS A random subsample (n=340; 72% men, 28% women; mean [±SD] age=21.9±4.2 years; mean [±SD] body mass index=24.8±2.8 kg/m2) from the larger Prevention of Low Back Pain in the Military trial (N=4,325) was included. INTERVENTION The core stabilization exercise program (CSEP) included low-load/low-repetition motor control exercises, whereas the traditional exercise program (TEP) included exercises conducted at a fast pace, with the use of high-load, high-repetition trunk strengthening exercises. MEASUREMENTS Baseline and follow-up examinations included ultrasound imaging of the trunk muscles and endurance tests. Linear mixed models were fitted to study the group and time effect and their interactions, accounting for the clustering effect. RESULTS Symmetry generally improved in the rest and contracted states, but there were no differences suggestive of muscle hypertrophy or improved ability to contract the trunk muscles between soldiers receiving the CSEP or the TEP. Total trunk endurance time decreased over the 12-week period, but endurance performance favored soldiers in the CSEP group. Endurance time was not associated with future episodes of low back pain. LIMITATIONS The lack of morphological changes may not be detectable in an already-active cohort, or a more intensive dose was needed. CONCLUSIONS Although improved symmetry was noted, neither the CSEP nor the TEP resulted in muscle hypertrophy. Longer endurance times were noted in individuals who completed the CSEP but were not strongly predictive of future low back pain episodes.
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Verbeek J, Ivanov I. Essential Occupational Safety and Health Interventions for Low- and Middle-income Countries: An Overview of the Evidence. Saf Health Work 2013; 4:77-83. [PMID: 23961329 PMCID: PMC3732143 DOI: 10.1016/j.shaw.2013.04.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 03/13/2013] [Accepted: 03/20/2013] [Indexed: 11/19/2022] Open
Abstract
There is still a considerable burden of occupational diseases and injuries in the world. It is not well known which interventions can effectively reduce the exposures at work that cause this burden. The objective of this article is to summarize evidence from systematic reviews of interventions to prevent occupational diseases and injuries. We included systematic reviews of interventions to reduce the incidence of work-related cancer, dust-related diseases, occupational asthma, chronic obstructive pulmonary disease, noiseinduced hearing loss, back pain, and occupational injuries. We searched Medline and Embase with predefined search strategies to locate systematic reviews of these interventions. We found 23 systematic reviews of which the results are also applicable to low- and middle income countries. Effective measures to reduce exposure leading to work-related cancer, dust-related diseases, asthma, chronic obstructive pulmonary disease, noise, and injuries are available. However, better implementation of these measures is needed. Regulation, enforcement of regulation, and incentives for employers are effective interventions to achieve this goal. There is evidence that feedback and rewards for workers help in reducing occupational injuries. There is no evidence in many studies that back pain can be prevented. Personal protective equipment technically has the potential to reduce exposure but this is difficult to put into effect. There is no evidence in the studies regarding the effectiveness of education and training, preventive drugs, or health examinations. There is evidence that the implementation of technical measures enforced by regulation can prevent occupational diseases and injuries. For other interventions such as education or health examinations, there is no evidence that supports their effectiveness. More systematic reviews are needed in the area of injury prevention.
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Affiliation(s)
- Jos Verbeek
- Finnish Institute of Occupational Health, Cochrane Occupational Safety and Health Review Group, Kuopio, Finland
- Corresponding author. Finnish Institute of Occupational Health, Cochrane Occupational Safety and Health Review Group, PO Box 310, 70101 Kuopio, Finland.
| | - Ivan Ivanov
- Interventions for Healthy Environments, Department of Public Health and Environment, World Health Organization, Geneva, Switzerland
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Fisker A, Langberg H, Petersen T, Mortensen OS. Early coordinated multidisciplinary intervention to prevent sickness absence and labour market exclusion in patients with low back pain: study protocol of a randomized controlled trial. BMC Musculoskelet Disord 2013; 14:93. [PMID: 23496897 PMCID: PMC3606127 DOI: 10.1186/1471-2474-14-93] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Accepted: 02/22/2013] [Indexed: 11/13/2022] Open
Abstract
Background Musculoskeletal disorders account for one third of the long-term absenteeism in Denmark and the number of individuals sick listed for more than four weeks is increasing. Compared to other diagnoses, patients with musculoskeletal diseases, including low back pain, are less likely to return to work after a period of sick leave. It seems that a multidisciplinary intervention, including cooperation between the health sector, the social sector and in the work place, has a positive effect on days off work due to musculoskeletal disorders and particularly low back pain. It is a challenge to coordinate this type of intervention, and the implementation of a return-to-work (RTW)-coordinator is suggested as an effective strategy in this process. The purpose of this paper is to describe the study protocol and present a new type of intervention, where the physiotherapist both has the role as RTW-coordinator and treating the patient. Methods/design A randomized controlled trial (RCT) is currently on-going. The RCT includes 770 patients with low back pain of minimum four weeks who are referred to an outpatient back centre. The study population consists of patients, who are sick-listed or at risk of sick-leave due to LBP. The control group is treated with usual care in a team of a physiotherapist, a chiropractor, a rheumatologist and a social worker employed at the centre. The Intervention group is treated with usual care and in addition intervention of a psychologist, an occupational physician, an ergonomist, a case manager from the municipal sickness benefit office, who has the authority in the actual case concerning sickness benefit payment and contact to the patients employer/work place. The treating physiotherapist is the RTW-coordinator. Outcome will be reported at the end of treatment as well as 6 and 12 months follow up. The primary outcome is number of days off work. Secondary outcomes are disability, pain, and quality of life. The study will follow the recommendations in CONSORT-statement in designing and reporting RCTs. Discussion This large RCT is testing the effectiveness of a preventive intervention targeting patients on short term sick leave or at risk being sick listed because of low back pain. We have developed a novel multidisciplinary team structure using the treating physiotherapist as the return to work coordinator, and having the case manager from the municipal sickness benefit office participating in team meetings. The study has the potential to contribute to the knowledge about how to target the challenges in the treatment of LBP. The aim is to prevent sickness absence and labour market exclusion - both on the individual level and economic costs at community level. Short term results will be available in 2014. This study is approved by the Danish Regional Ethics Committee (J.nr: H-C-2008-112) and is registered at. Trial registration ClinicalTrials.gov: NCT01690234
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Affiliation(s)
- Annette Fisker
- Department of Public Health, CopenRehab, University of Copenhagen, Øster Farimagsgade 5, DK-1014, Copenhagen K, Denmark.
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Abstract
Lumbar spine osteoarthritis (OA) is very common, with estimates of prevalence ranging from 40-85 %. The process of degeneration of the spine has commonly been classified as OA (disc space narrowing together with vertebral osteophyte formation); however, anatomically, the facet joint is the only synovial joint in the spine that has a similar pathological degenerative process to appendicular joints. Low back pain (LBP) is also a common condition, with nearly 80 % of Americans experiencing at least one episode of LBP in their lifetime. The complex relationship between spine radiographs and LBP has many clinical and research challenges. Specific conservative treatments for spine degeneration have not been established; there has, however, been recent interest in use of exercise therapy, because of some moderate benefits in treating chronic LBP. An understanding of the relationship between spine degeneration and LBP may be improved with further population-based research in the areas of genetics, biomarkers, and pain pathways.
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Affiliation(s)
- Adam P. Goode
- Assistant Professor, Duke University Department of Community and Family Medicine, Durham, NC, 27713, USA, 919-681-6154
| | - Timothy S. Carey
- Professor of Medicine and Director of Cecil G. Sheps Center for Health Services Research, University of North Carolina, Chapel Hill, NC, USA, 919-966-5011
| | - Joanne M. Jordan
- Professor of Medicine, Epidemiology and Orthopedics and Director of Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA, 919-966-0552
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Robertson MM, Ciriello VM, Garabet AM. Office ergonomics training and a sit-stand workstation: effects on musculoskeletal and visual symptoms and performance of office workers. APPLIED ERGONOMICS 2013; 44:73-85. [PMID: 22727324 DOI: 10.1016/j.apergo.2012.05.001] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2010] [Revised: 04/27/2012] [Accepted: 05/07/2012] [Indexed: 06/01/2023]
Abstract
Work Related Musculoskeletal Disorders (WMSDs) among office workers with intensive computer use is widespread and the prevalence of symptoms is growing. This randomized controlled trial investigated the effects of an office ergonomics training combined with a sit-stand workstation on musculoskeletal and visual discomfort, behaviors and performance. Participants performed a lab-based customer service job for 8 h per day, over 15 days and were assigned to: Ergonomics Trained (n = 11) or Minimally Trained (n = 11). The training consisted of: a 1.5-h interactive instruction, a sit/stand practice period, and ergonomic reminders. Ergonomics Trained participants experienced minimal musculoskeletal and visual discomfort across the 15 days, varied their postures, with significantly higher performance compared to the Minimally Trained group who had a significantly higher number of symptoms, suggesting that training plays a critical role. The ability to mitigate symptoms, change behaviors and enhance performance through training combined with a sit-stand workstation has implications for preventing discomforts in office workers.
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Affiliation(s)
- Michelle M Robertson
- Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA 01748, USA.
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Working with Pain Clinics and Other Consultants Concerning Low Back Pain. Prim Care 2012; 39:547-52. [DOI: 10.1016/j.pop.2012.06.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Darlow B, Fullen BM, Dean S, Hurley DA, Baxter GD, Dowell A. The association between health care professional attitudes and beliefs and the attitudes and beliefs, clinical management, and outcomes of patients with low back pain: a systematic review. Eur J Pain 2012; 16:3-17. [PMID: 21719329 DOI: 10.1016/j.ejpain.2011.06.006] [Citation(s) in RCA: 298] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND It has been suggested that health care professional (HCP) attitudes and beliefs may negatively influence the beliefs of patients with low back pain (LBP), but this has not been systematically reviewed. This review aimed to investigate the association between HCP attitudes and beliefs and the attitudes and beliefs, clinical management, and outcomes of this patient population. METHODS Electronic databases were systematically searched for all types of studies. Studies were selected by predefined inclusion criteria. Methodological quality was appraised and strength of evidence was determined. RESULTS Seventeen studies from eight countries which investigated the attitudes and beliefs of general practitioners, physiotherapists, chiropractors, rheumatologists, orthopaedic surgeons and other paramedical therapists were included. There is strong evidence that HCP beliefs about back pain are associated with the beliefs of their patients. There is moderate evidence that HCPs with a biomedical orientation or elevated fear avoidance beliefs are more likely to advise patients to limit work and physical activities, and are less likely to adhere to treatment guidelines. There is moderate evidence that HCP attitudes and beliefs are associated with patient education and bed rest recommendations. There is moderate evidence that HCP fear avoidance beliefs are associated with reported sick leave prescription and that a biomedical orientation is not associated with the number of sickness certificates issued for LBP. CONCLUSION HCPs need to be aware of the association between their attitudes and beliefs and the attitudes and beliefs and clinical management of their patients with LBP.
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Affiliation(s)
- B Darlow
- Department of Primary Health Care and General Practice, University of Otago, Wellington, PO Box 7343, Wellington South, 6242, New Zealand.
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Ciriello VM, Shaw WS, Rivard AJ, Woiszwillo MJ. Dynamic training of the lumbar musculature to prevent recurrence of acute low back pain: a randomized controlled trial using a daily pain recall for 1 year. Disabil Rehabil 2012; 34:1648-56. [DOI: 10.3109/09638288.2012.656787] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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George SZ, Childs JD, Teyhen DS, Wu SS, Wright AC, Dugan JL, Robinson ME. Predictors of occurrence and severity of first time low back pain episodes: findings from a military inception cohort. PLoS One 2012; 7:e30597. [PMID: 22355317 PMCID: PMC3280257 DOI: 10.1371/journal.pone.0030597] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2011] [Accepted: 12/23/2011] [Indexed: 11/18/2022] Open
Abstract
Primary prevention studies suggest that additional research on identifying risk factors predictive of low back pain (LBP) is necessary before additional interventions can be developed. In the current study we assembled a large military cohort that was initially free of LBP and followed over 2 years. The purposes of this study were to identify baseline variables from demographic, socioeconomic, general health, and psychological domains that were predictive of a) occurrence; b) time; and c) severity for first episode of self-reported LBP. Baseline and outcome measures were collected via web-based surveillance system or phone to capture monthly information over 2 years. The assembled cohort consisted of 1230 Soldiers who provided self-report data with 518 (42.1%) reporting at least one episode of LBP over 2 years. Multivariate logistic regression analysis indicated that gender, active duty status, mental and physical health scores were significant predictors of LBP. Cox regression revealed that the time to first episode of LBP was significantly shorter for Soldiers that were female, active duty, reported previous injury, and had increased BMI. Multivariate linear regression analysis investigated severity of the first episode by identifying baseline predictors of pain intensity, disability, and psychological distress. Education level and physical fitness were consistent predictors of pain intensity, while gender, smoking status, and previous injury status were predictors of disability. Gender, smoking status, physical health scores, and beliefs of back pain were consistent predictors of psychological distress. These results provide additional data to confirm the multi-factorial nature of LBP and suggest future preventative interventions focus on multi-modal approaches that target modifiable risk factors specific to the population of interest.
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Affiliation(s)
- Steven Z George
- Department of Physical Therapy and Center for Pain Research and Behavioral Health, University of Florida, Gainesville, Florida, United States of America.
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Abstract
Non-specific low back pain has become a major public health problem worldwide. The lifetime prevalence of low back pain is reported to be as high as 84%, and the prevalence of chronic low back pain is about 23%, with 11-12% of the population being disabled by low back pain. Mechanical factors, such as lifting and carrying, probably do not have a major pathogenic role, but genetic constitution is important. History taking and clinical examination are included in most diagnostic guidelines, but the use of clinical imaging for diagnosis should be restricted. The mechanism of action of many treatments is unclear, and effect sizes of most treatments are low. Both patient preferences and clinical evidence should be taken into account for pain management, but generally self-management, with appropriate support, is recommended and surgery and overtreatment should be avoided.
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Affiliation(s)
- Federico Balagué
- Department of Rheumatology, Physical Medicine, and Rehabilitation, Hôpital Fribourgeois-Hôpital cantonal, Fribourg and Geneva University, Geneva, Switzerland.
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Viester L, Verhagen EALM, Proper KI, van Dongen JM, Bongers PM, van der Beek AJ. VIP in construction: systematic development and evaluation of a multifaceted health programme aiming to improve physical activity levels and dietary patterns among construction workers. BMC Public Health 2012; 12:89. [PMID: 22289212 PMCID: PMC3280176 DOI: 10.1186/1471-2458-12-89] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Accepted: 01/30/2012] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND The prevalence of both overweight and musculoskeletal disorders (MSD) in the construction industry is high. Many interventions in the occupational setting aim at the prevention and reduction of these health problems, but it is still unclear how these programmes should be designed. To determine the effectiveness of interventions on these health outcomes randomised controlled trials (RCTs) are needed. The aim of this study is to systematically develop a tailored intervention for prevention and reduction of overweight and MSD among construction workers and to describe the evaluation study regarding its (cost-)effectiveness. METHODS/DESIGN The Intervention Mapping (IM) protocol was applied to develop and implement a tailored programme aimed at the prevention and reduction of overweight and MSD. The (cost-) effectiveness of the intervention programme will be evaluated using an RCT. Furthermore, a process evaluation will be conducted. The research population will consist of blue collar workers of a large construction company in the Netherlands. INTERVENTION The intervention programme will be aimed at improving (vigorous) physical activity levels and healthy dietary behaviour and will consist of tailored information, face-to-face and telephone counselling, training instruction (a fitness "card" to be used for exercises), and materials designed for the intervention (overview of the company health promoting facilities, waist circumference measuring tape, pedometer, BMI card, calorie guide, recipes, and knowledge test). MAIN STUDY PARAMETERS/ENDPOINTS: The intervention effect on body weight and waist circumference (primary outcome measures), as well as on lifestyle behaviour, MSD, fitness, CVD risk indicators, and work-related outcomes (i.e. productivity, sick leave) (secondary outcome measures) will be assessed. DISCUSSION The development of the VIP in construction intervention led to a health programme tailored to the needs of construction workers. This programme, if proven effective, can be directly implemented. TRIAL REGISTRATION Netherlands Trial Register (NTR): NTR2095.
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Affiliation(s)
- Laura Viester
- Department of Public and Occupational Health and the EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
- Body@Work, Research Center Physical Activity, Work and Health, TNO-VU University Medical Center, Amsterdam, The Netherlands
| | - Evert ALM Verhagen
- Department of Public and Occupational Health and the EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
- Body@Work, Research Center Physical Activity, Work and Health, TNO-VU University Medical Center, Amsterdam, The Netherlands
- Department of Public and Occupational Health and the EMGO+ Institute for Health and Care Research, VU University Medical Center, Van der Boechorststraat 7, 1081, BT Amsterdam, The Netherlands
| | - Karin I Proper
- Department of Public and Occupational Health and the EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
- Body@Work, Research Center Physical Activity, Work and Health, TNO-VU University Medical Center, Amsterdam, The Netherlands
| | - Johanna M van Dongen
- Department of Public and Occupational Health and the EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
- Body@Work, Research Center Physical Activity, Work and Health, TNO-VU University Medical Center, Amsterdam, The Netherlands
- Department of Health Sciences and the EMGO+ Institute for Health and Care Research, Faculty of Earth and Life Sciences, VU University Amsterdam, Amsterdam, The Netherlands
| | - Paulien M Bongers
- Body@Work, Research Center Physical Activity, Work and Health, TNO-VU University Medical Center, Amsterdam, The Netherlands
- Netherlands Organisation for Applied Scientific Research, TNO, Hoofddorp, The Netherlands
| | - Allard J van der Beek
- Department of Public and Occupational Health and the EMGO+ Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
- Body@Work, Research Center Physical Activity, Work and Health, TNO-VU University Medical Center, Amsterdam, The Netherlands
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Berthelette D, Leduc N, Bilodeau H, Durand MJ, Faye C. Evaluation of the implementation fidelity of an ergonomic training program designed to prevent back pain. APPLIED ERGONOMICS 2012; 43:239-245. [PMID: 21714954 DOI: 10.1016/j.apergo.2011.05.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2009] [Revised: 04/10/2011] [Accepted: 05/13/2011] [Indexed: 05/31/2023]
Abstract
The aim of this study was to evaluate the implementation fidelity of a multidimensional ergonomic program designed to prevent back pain injuries among healthcare personnel. The program, provided by peer trainers included training intended to modify patient handling and transfer behaviour, trainee follow-up, prevention activities aimed at work environment improvements and follow-up monitors training. Two hundred twenty-one peer trainers at 139 Quebec healthcare institutions participated in our study. Only 61.5% were involved in training; most of them taught safe patient handling, positioning, transfer, and preparation techniques, which are the cornerstones of the program; 72.7% were involved in prevention activities, 46.1% in follow-up activities, and 10.7% in follow-up monitors training. The study results should help organizations anticipate and prevent potential discrepancies between prescribed and implemented programs.
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Affiliation(s)
- Diane Berthelette
- Department of Organization and Human Resources, Université du Québec à Montréal, P.O. Box 8888, Downtown Postal Station, Montreal, Quebec, Canada.
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George SZ, Childs JD, Teyhen DS, Wu SS, Wright AC, Dugan JL, Robinson ME. Brief psychosocial education, not core stabilization, reduced incidence of low back pain: results from the Prevention of Low Back Pain in the Military (POLM) cluster randomized trial. BMC Med 2011; 9:128. [PMID: 22126534 PMCID: PMC3286400 DOI: 10.1186/1741-7015-9-128] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2011] [Accepted: 11/29/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Effective strategies for the primary prevention of low back pain (LBP) remain elusive with few large-scale clinical trials investigating exercise and education approaches. The purpose of this trial was to determine whether core stabilization alone or in combination with psychosocial education prevented incidence of low back pain in comparison to traditional lumbar exercise. METHODS The Prevention of Low Back Pain in the Military study was a cluster randomized clinical study with four intervention arms and a two-year follow-up. Participants were recruited from a military training setting from 2007 to 2008. Soldiers in 20 consecutive companies were considered for eligibility (n = 7,616). Of those, 1,741 were ineligible and 1,550 were eligible but refused participation. For the 4,325 Soldiers enrolled with no previous history of LBP average age was 22.0 years (SD = 4.2) and there were 3,082 males (71.3%). Companies were randomly assigned to receive traditional lumbar exercise, traditional lumbar exercise with psychosocial education, core stabilization exercise, or core stabilization with psychosocial education, The psychosocial education session occurred during one session and the exercise programs were done daily for 5 minutes over 12 weeks. The primary outcome for this trial was incidence of low back pain resulting in the seeking of health care. RESULTS There were no adverse events reported. Evaluable patient analysis (4,147/4,325 provided data) indicated no differences in low back incidence resulting in the seeking of health care between those receiving the traditional exercise and core stabilization exercise programs. However, brief psychosocial education prevented low back pain episodes regardless of the assigned exercise approach, resulting in a 3.3% (95% CI: 1.1 to 5.5%) decrease over two years (numbers needed to treat (NNT) = 30.3, 95% CI = 18.2 to 90.9). CONCLUSIONS Core stabilization has been advocated as preventative, but offered no such benefit when compared to traditional lumbar exercise in this trial. Instead, a brief psychosocial education program that reduced fear and threat of low back pain decreased incidence of low back pain resulting in the seeking of health care. Since this trial was conducted in a military setting, future studies are necessary to determine if these findings can be translated into civilian populations. TRIAL REGISTRATION NCT00373009 at ClinicalTrials.gov - http://clinicaltrials.gov/
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Affiliation(s)
- Steven Z George
- Department of Physical Therapy, PO Box 100154, University of Florida, Gainesville, FL 32610, USA.
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Andersen LL, Clausen T, Mortensen OS, Burr H, Holtermann A. A prospective cohort study on musculoskeletal risk factors for long-term sickness absence among healthcare workers in eldercare. Int Arch Occup Environ Health 2011; 85:615-22. [PMID: 21986907 DOI: 10.1007/s00420-011-0709-5] [Citation(s) in RCA: 87] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2011] [Accepted: 09/27/2011] [Indexed: 11/29/2022]
Abstract
PURPOSE The socioeconomic burden of sickness absence from musculoskeletal disorders is considerable. However, knowledge about the risk of sickness absence from pain in different body regions among specific job groups is needed to more efficiently target preventative strategies. This study estimates the risk of long-term sickness absence (LTSA) from pain in different body regions among healthcare workers. METHODS Prospective cohort study among 8,952 Danish healthcare workers responding to a questionnaire in 2004-2005 and followed for 1 year in a national register of social transfer payments (DREAM). Using Cox regression hazard ratio (HR) analysis controlled for age, gender, BMI, smoking, seniority, leisure physical activity and psychosocial working conditions, we modeled risk estimates of sub-chronic (1-30 days last year) and chronic pain (>30 days last year) in the low back, neck/shoulder and knees for onset of LTSA (receiving sickness absence compensation for at least eight consecutive weeks) during one-year follow-up. RESULTS At baseline, the prevalence of chronic pain was 23% (low back), 28% (neck/shoulder) and 12% (knees). During follow-up, the 12-month prevalence of LTSA was 6.3%. Chronic pains in the low back (HR 1.47 [95% CI 1.17-1.85]), neck/shoulder (HR 1.60 [95% CI 1.27-2.02]) and knees (HR 1.92 [95% CI 1.52-2.42]) were significant risk factors for LTSA. However, only chronic neck/shoulder (HR 1.41 [95% CI 1.09-1.82]) and knee pain (HR 1.69 [95% CI 1.32-2.16]) remained significant with mutual adjustment for all three musculoskeletal pain regions. CONCLUSION Musculoskeletal pain is a risk factor for LTSA among healthcare workers. Future research among healthcare workers in eldercare should include the management of neck/shoulder and knee pain in addition to the management of back pain.
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Affiliation(s)
- Lars L Andersen
- National Research Centre for the Working Environment, Lersø Parkalle 105, 2100, Copenhagen, Denmark.
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Schwellnus MP, Patel DN, Nossel C, Whitesman S, Derman EW. Healthy lifestyle interventions in general practice: Part 15: Lifestyle and lower back pain. S Afr Fam Pract (2004) 2011. [DOI: 10.1080/20786204.2011.10874105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Affiliation(s)
- MP Schwellnus
- UCT/MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, International Olympic Committee Research Centre
| | | | | | | | - EW Derman
- UCT/MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, University of Cape Town, International Olympic Committee Research Centre
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Verbeek JH, Martimo KP, Karppinen J, Kuijer PPF, Viikari-Juntura E, Takala EP. Manual material handling advice and assistive devices for preventing and treating back pain in workers. Cochrane Database Syst Rev 2011:CD005958. [PMID: 21678349 DOI: 10.1002/14651858.cd005958.pub3] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Training and the provision of assistive devices are considered major interventions to prevent back pain and its related disability among workers exposed to manual material handling (MMH). OBJECTIVES To determine the effectiveness of MMH advice and training and the provision of assistive devices in preventing and treating back pain. SEARCH STRATEGY We searched CENTRAL (The Cochrane Library 2011, issue 1), MEDLINE, EMBASE, CINAHL, Nioshtic, CISdoc, Science Citation Index, and PsychLIT to February 2011. SELECTION CRITERIA We included randomised controlled trials (RCT) and cohort studies with a concurrent control group that were aimed at changing human behaviour in MMH and measured back pain, back pain-related disability or sickness absence. DATA COLLECTION AND ANALYSIS Two authors independently extracted the data and assessed the risk of bias using the criteria recommended by the Cochrane Back Review Group for RCTs and MINORS for the cohort studies.We based the results and conclusions on the analysis of RCTs only. We compared these with the results from cohort studies. MAIN RESULTS We included nine RCTs (20,101 employees) and nine cohort studies (1280 employees) on the prevention of back pain in this updated review. Studies compared training to no intervention (4), professional education (2), a video (3), use of a back belt (3) or exercise (2). Other studies compared training plus lifting aids to no intervention (3) and to training only (1). The intensity of training ranged from a single educational session to very extensive personal biofeedback.Six RCTs had a high risk of bias.None of the included studies showed evidence of a preventive effect of training on back pain.There was moderate quality evidence from seven RCTs (19,317 employees) that those who received training reported levels of back pain similar to those who received no intervention, with an odds ratio of 1.17 (95% confidence intervals (CI) 0.68 to 2.02) or minor advice (video), with a relative risk of 0.93 (95% CI 0.69 to 1.25). Confidence intervals around the effect estimates were still wide due to the adjustment for the design effect of clustered studies.The results of the cohort studies were similar to those of the randomised studies. AUTHORS' CONCLUSIONS There is moderate quality evidence that MMH advice and training with or without assistive devices does not prevent back pain or back pain-related disability when compared to no intervention or alternative interventions. There is no evidence available from RCTs for the effectiveness of MMH advice and training or MMH assistive devices for treating back pain. More high quality studies could further reduce the remaining uncertainty.
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Affiliation(s)
- Jos H Verbeek
- Occupational Safety and Health Review Group, Finnish Institute of Occupational Health, PO Box 310, Kuopio, Finland, 70101
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Nonfatal occupational injury rates and musculoskeletal symptoms among housekeeping employees of a hospital in Texas. JOURNAL OF ENVIRONMENTAL AND PUBLIC HEALTH 2011; 2011:382510. [PMID: 21776437 PMCID: PMC3136138 DOI: 10.1155/2011/382510] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/03/2010] [Accepted: 04/14/2011] [Indexed: 01/16/2023]
Abstract
Objectives. To determine the prevalence of musculoskeletal disorders in hospital cleaners. Methods. Injury data on all hospital employees were extracted from occupational health records and compared. Additionally an interview-based modified Nordic Questionnaire (response rate 98.14%) was conducted. Results. The mean total injury rate for cleaners was 35.9 per 100 full-time equivalent (FTE), while that for other employees was 13.64 per 100 FTE. Slips/trips/falls and MMH contributed 4.39 and 2.37 per 100 FTE among cleaners and rest of the hospital employees, respectively. The most common type of injury was strain while the most common cause of injury was a striking object. Conclusion. The cleaners have higher injury rates and morbidity as compared to other employees of the hospital. The lower back was most commonly affected.
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Balagué F, Dudler J. An overview of conservative treatment for lower back pain. ACTA ACUST UNITED AC 2011. [DOI: 10.2217/ijr.11.13] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Jensen OK, Nielsen CV, Stengaard-Pedersen K. One-year prognosis in sick-listed low back pain patients with and without radiculopathy. Prognostic factors influencing pain and disability. Spine J 2010; 10:659-75. [PMID: 20447871 DOI: 10.1016/j.spinee.2010.03.026] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2009] [Revised: 03/02/2010] [Accepted: 03/14/2010] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Previous research has documented various psychosocial risk factors with influence on outcome in low back pain (LBP) patients, but the value of clinical predictors has been less well documented. PURPOSE To identify clinical and psychosocial risk factors at baseline influencing disability and pain at 1 year in LBP patients sick-listed 3 to 16 weeks, and to look for differences between nonspecific LBP and radiculopathy. STUDY DESIGN Cohort study with 1-year follow-up based on a randomized clinical trial. OUTCOME MEASURES Disability and change of disability, pain and change in pain at 1 year. METHODS In a randomized clinical study evaluating multidisciplinary versus brief intervention, 325 patients were followed for 1 year. At baseline, they completed a questionnaire and went through a clinical low back examination, including measure of forward flexion and side flexion as well as tender point examination, a method to estimate diffuse tenderness. Furthermore, degenerative changes on plain X-rays of the lumbar spine were quantified, and sciatica was investigated by magnetic resonance imaging. RESULTS Radiculopathy was verified by magnetic resonance imaging in 111 (34%) patients. At 1 year, questions of disability in daily life activities and pain were answered by 60% and 67%, respectively. The intensity of back+leg pain and disability was closely correlated. Statistically significant predictors for both disability and back+leg pain at 1 year were intensity of back+leg pain, worrying and health anxiety, many tender points, and little or moderate exercise in leisure time. Two additional risk factors were identified in patients with radiculopathy: older age and "drinking alcohol less than once per month." Furthermore, disability at 1 year was associated with initial disability and compensation claim, and back+leg pain at 1 year was associated with fear avoidance about physical activity and the duration of pain. Change in disability was more closely associated with return to work than change in pain. Disc degeneration was not associated with disability or pain at 1 year. General health was not statistically significantly associated with outcome when adjusted for back+leg pain, disability, and worrying and health anxiety. CONCLUSIONS Disability and pain at 1 year were associated with baseline disability and pain, diffuse tenderness, worrying and health anxiety, compensation claim, fear avoidance, and baseline exercise habits. Only in patients with verified nerve root affection, older age, and restrained alcohol seemed to play a role. The multivariate models were insufficient in predicting disability and pain, partly because disability and pain were also strongly associated with return to work.
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Affiliation(s)
- Ole Kudsk Jensen
- The Spine Center, Department of Internal Medicine, Region Hospital Silkeborg, Denmark.
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Wai EK, Roffey DM, Bishop P, Kwon BK, Dagenais S. Causal assessment of occupational carrying and low back pain: results of a systematic review. Spine J 2010; 10:628-38. [PMID: 20447872 DOI: 10.1016/j.spinee.2010.03.027] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2009] [Revised: 02/24/2010] [Accepted: 03/14/2010] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Occupational low back pain (LBP) is a common musculoskeletal disorder that results in high healthcare use and a heavy societal burden from morbidity and medical costs. The etiology of LBP is unclear, although numerous physical activities in the workplace have been implicated in its development. Determining the causal relationship between LBP and specific occupational activities requires a rigorous methodological approach. PURPOSE To conduct a systematic review of the scientific literature focused on establishing a causal relationship between occupational carrying and LBP. STUDY DESIGN Systematic review of the literature was performed. SAMPLE Studies reporting an association between occupational carrying and LBP. OUTCOME MEASURES Numerical association between different levels of exposure to occupational carrying and the presence or severity of LBP. METHODS A systematic review was performed to identify, evaluate, and summarize the literature related to establishing a causal relationship between occupational carrying and LBP by using the commonly used Bradford-Hill framework. The literature was searched using Medline, Embase, CINAHL, Cochrane Library, the Occupational Safety and Health (OSH-ROM) database, gray literature (eg, studies not published in peer-reviewed journals), hand-searching occupational health journals, reference lists of included studies, and content experts. Study quality was evaluated using a modified version of the Newcastle-Ottawa Scale. Levels of evidence supporting specific Bradford-Hill criteria were evaluated for different categories of carrying and types of LBP outcomes. RESULTS This search yielded 2,766 citations. A total of nine high-quality studies reported on occupational carrying and LBP, including four case-control studies and five prospective cohort studies. These nine studies reported strong and consistent evidence against a statistical association between carrying and LBP. Three studies assessed dose-response, of which only one reported a dose-response trend that was not statistically significant. Five studies were able to assess temporality, but none reported results fulfilling this aspect of causality. The biological plausibility of carrying and LBP was not discussed in any of the nine studies. None of these studies attempted to evaluate the experiment criterion by devising studies in which the exposure to carrying and level of LBP could be measured before and after implementing a strategy aimed at reducing carrying in the workplace to determine its effect on LBP. CONCLUSIONS This review failed to identify high-quality studies that supported any of the Bradford-Hill criteria to establish causality between occupational carrying and LBP. Based on these results, it is unlikely that occupational carrying is independently causative of LBP in the populations of workers studied.
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Affiliation(s)
- Eugene K Wai
- Division of Orthopaedic Surgery, Department of Surgery, University of Ottawa, The Ottawa Hospital, Ottawa, Ontario, Canada.
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Buchbinder R, Pransky G, Hayden J. Recent advances in the evaluation and management of nonspecific low back pain and related disorders. Best Pract Res Clin Rheumatol 2010; 24:147-53. [PMID: 20227637 DOI: 10.1016/j.berh.2010.01.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Rachelle Buchbinder
- Monash Department of Clinical Epidemiology at Cabrini Hospital, Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Suite 41, Cabrini Medical Centre, 183 Wattletree Rd, Malvern Victoria, 3144, Australia.
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Abstract
Exercise therapy is the most widely used type of conservative treatment for low back pain. Systematic reviews have shown that exercise therapy is effective for chronic but not for acute low back pain. During the past 5 years, many additional trials have been published on chronic low back pain. This articles aims to give an overview on the effectiveness of exercise therapy in patients with low back pain. For this overview, existing Cochrane reviews for the individual interventions were screened for studies fulfilling the inclusion criteria, and the search strategy outlined by the Cochrane Back Review Group (CBRG) was followed. Studies were included if they fulfilled the following criteria: (1) randomised controlled trials,(2) adult (> or =18 years) population with chronic (> or =12 weeks) nonspecific low back pain and (3) evaluation of at least one of the main clinically relevant outcome measures (pain, functional status, perceived recovery or return to work). Two reviewers independently selected studies and extracted data on study characteristics, risk of bias and outcomes at short-term, intermediate and long-term follow-up. The GRADE approach (GRADE, Grading of Recommendations Assessment, Development and Evaluation) was used to determine the quality of evidence. In total, 37 randomised controlled trials met the inclusion criteria and were included in this overview. Compared to usual care, exercise therapy improved post-treatment pain intensity and disability, and long-term function. The authors conclude that evidence from randomised controlled trials demonstrated that exercise therapy is effective at reducing pain and function in the treatment of chronic low back pain. There is no evidence that one particular type of exercise therapy is clearly more effective than others. However, effects are small and it remains unclear which subgroups of patients benefit most from a specific type of treatment.
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Causal assessment of occupational pushing or pulling and low back pain: results of a systematic review. Spine J 2010; 10:544-53. [PMID: 20494815 DOI: 10.1016/j.spinee.2010.03.025] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2009] [Revised: 01/08/2010] [Accepted: 03/14/2010] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Low back pain (LBP) is a prevalent and expensive musculoskeletal condition that predominantly occurs in working-age individuals of industrialized nations. Although numerous occupational physical activities have been implicated in its etiology, determining the causation of occupational LBP still remains a challenge. PURPOSE To conduct a systematic review evaluating the causal relationship between occupational pushing or pulling and LBP. STUDY DESIGN Systematic review of the literature. SAMPLE Studies reporting an association between occupational pushing or pulling and LBP. OUTCOME MEASURES Numerical association between exposure to pushing or pulling and the presence of LBP. METHODS A systematic review was performed to identify, evaluate, and summarize the literature related to establishing a causal relationship, according to Bradford-Hill criteria for causation for occupational pushing or pulling and LBP. A search was conducted using Medline, EMBASE, CINAHL, Cochrane Library, and OSH-ROM, gray literature, hand-searching occupational health journals, reference lists of included studies, and expert knowledge. Methodological quality was assessed using a modified Newcastle-Ottawa Scale. RESULTS This search yielded 2,766 citations. Thirteen studies met the inclusion criteria. Eight were high-quality studies and five were low-quality studies. There was conflicting evidence with one high-quality study demonstrating a positive association between occupational pushing or pulling and LBP and five studies showing no relationship. One study reported a nonstatistically significant dose-response trend, four studies discussed temporality of which one indicated a positive finding, two studies discussed the biological plausibility of a causal link between occupational pushing or pulling and LBP, and no evidence was uncovered to assess the experiment criterion. CONCLUSIONS A qualitative summary of existing studies was not able to find any high-quality studies that fully satisfied any of the Bradford-Hill causation criteria for occupational pushing or pulling and LBP. Based on the evidence reviewed, it is unlikely that occupational pushing or pulling is independently causative of LBP in the populations of workers studied.
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Tullar JM, Brewer S, Amick BC, Irvin E, Mahood Q, Pompeii LA, Wang A, Van Eerd D, Gimeno D, Evanoff B. Occupational safety and health interventions to reduce musculoskeletal symptoms in the health care sector. JOURNAL OF OCCUPATIONAL REHABILITATION 2010; 20:199-219. [PMID: 20221676 DOI: 10.1007/s10926-010-9231-y] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
INTRODUCTION Health care work is dangerous and multiple interventions have been tested to reduce the occupational hazards. METHODS A systematic review of the literature used a best evidence synthesis approach to address the general question "Do occupational safety and health interventions in health care settings have an effect on musculoskeletal health status?" This was followed by an evaluation of the effectiveness of specific interventions. RESULTS The initial search identified 8,465 articles, for the period 1980-2006, which were reduced to 16 studies based on content and quality. A moderate level of evidence was observed for the general question. Moderate evidence was observed for: (1) exercise interventions and (2) multi-component patient handling interventions. An updated search for the period 2006-2009 added three studies and a moderate level of evidence now indicates: (1) patient handling training alone and (2) cognitive behavior training alone have no effect on musculoskeletal health. Few high quality studies were found that examined the effects of interventions in health care settings on musculoskeletal health. CONCLUSIONS The findings here echo previous systematic reviews supporting exercise as providing positive health benefits and training alone as not being effective. Given the moderate level of evidence, exercise interventions and multi-component patient handling interventions (MCPHI) were recommended as practices to consider. A multi-component intervention includes a policy that defines an organizational commitment to reducing injuries associated with patient handling, purchase of appropriate lift or transfer equipment to reduce biomechanical hazards and a broad-based ergonomics training program that includes safe patient handling and/or equipment usage. The review demonstrates MCPHI can be evaluated if the term multi-component is clearly defined and consistently applied.
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Affiliation(s)
- Jessica M Tullar
- School of Public Health, Institute for Health Policy, The University of Texas, Houston, TX, USA.
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Video fluoroscopic analysis of the effects of three commonly-prescribed off-the-shelf orthoses on vertebral motion. Spine (Phila Pa 1976) 2010; 35:E525-9. [PMID: 20445478 DOI: 10.1097/brs.0b013e3181c62fa1] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Fluoroscopic assessment of the effects of commercially available spinal orthotics on lumbar vertebral motion as subjects performed flexion and extension maneuvers. OBJECTIVE To quantitate the effects of 3 commonly available, off-the-shelf, soft, and semirigid spinal orthoses on lumbar spinal motion. SUMMARY OF BACKGROUND DATA Commercially available soft and semirigid orthoses are widely prescribed for patients with low back pain and, at times, following surgery. Despite this use, surprisingly little is known about the magnitude of their effects on lumbar vertebral motion. METHODS Ten subjects (6 men and 4 women) with an average age of 27.0 +/- 5.3 years, underwent videofluoroscopic imaging as they performed a full flexion/extension cycle. Assessments, during which the subjects were unbraced or wearing either a soft lumbrosacral orthosis (LSO), a semirigid LSO, or a semirigid thoracolumbrosacral orthosis (TLSO) were performed in random order. Images were obtained at a rate of 3.75 Hz and digitally processed to determine the sagittal rotation of the L3-L5 vertebral bodies. RESULTS Each of the braces produced a statistically significant reduction in overall lumbar motion during the flexion maneuver (P = 0.007) but none had a detectable effect during extension. Relative effectiveness varied by vertebral level. At the L3-L4 level, only the TLSO had a statistically significant effect on intervertebral flexion movement (32%, P = 0.003). At the L4-L5 level all the orthoses were effective (and statistically indistinguishable) in their ability to reduce intervertebral flexion movements ranging from 48% for the semirigid TLSO to about 15% to 20% for the 2 LSOs. No effects were noted for any of the orthoses at the L5-S1 level. CONCLUSION Commercially available soft and semirigid orthotics can have significant effects on lumbar vertebral body motion at the L3-L4 and L4-L5 levels.
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Long-term return to work after a functional restoration program for chronic low-back pain patients: a prospective study. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2010; 19:1153-61. [PMID: 20224867 DOI: 10.1007/s00586-010-1361-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2009] [Revised: 01/15/2010] [Accepted: 02/22/2010] [Indexed: 10/19/2022]
Abstract
Low-back pain is a major health and socio economic problem. Functional restoration programs (FRP) have been developed to promote the socio-professional reintegration of patients with important work absenteeism. The aim of this study was to determine the long-term effectiveness of FRP in a group of 105 chronic low-back pain patients and to determine the predictive factors of return to work. One hundred-and-five chronic LBP patients with over 1 month of work absenteeism were included in a FRP. Pain, professional status, quality of life, functional disability, psychological impact, and fear and avoidance beliefs were evaluated at baseline, after 1 year and at the end of follow-up. Main effectiveness criterion was return to work. Fifty-five percent of the patients returned to work after mean follow-up time of 3.5 years, compared with 9% of the patients at work at baseline. Quality of life, functional disability, psychological factors, and fear and avoidance beliefs were all significantly improved. Three predictive factors were found: younger age at the onset of low-back pain, practice of sports, and shorter duration of sick leave at baseline. FRP show positive results in terms of return to work for chronic LBP patients with prolonged work absenteeism. Efforts should be made to propose such programs at an earlier stage of the disease.
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