Mechanisms of Action of Lumbar Supports

Poppel, Mireille N. M. van; Looze, M.P. de; Koes, Bart W.; Smid, Tjabe; Bouter, Lex M.

doi:10.1097/00007632-200008150-00016

Cited by 114 publications

(92 citation statements)

References 48 publications

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“…On the other hand, it has been reported that lumbar supports have no effect on decreasing myoelectrical activities in the erector spinae muscle 3) . In general, wearing a lumbar support for a long period of time only promotes disuse atrophy of the trunk muscles and is, therefore, not preferable 1) .…”

mentioning

confidence: 94%

“…Biomechanical studies have revealed that lumbar supports have the following effects : (1) they support the back so that it cannot be bent too much when lifting a large object 2) ; (2) they restrict flexion -extension and side flexion of the trunk, but not rotation 3) ; (3) they reduce intra -discal pressure of the lumber vertebrae 4) ; and (4) they increase erector spinae muscle pressure, but not intraabdominal pressure 5) . On the other hand, it has been reported that lumbar supports have no effect on decreasing myoelectrical activities in the erector spinae muscle 3) .…”

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confidence: 99%

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Effects of Long-Term Corset Wearing on Chronic Low Back Pain

Sato¹,

Sekiguchi²,

Kikuchi³

et al. 2012

FJMS

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: There are few studies of the therapeutic effects of long -term corset wearing in patients with chronic low back pain. The aim of this study was to evaluate the effects of long -term corset wearing on chronic low back pain and to examine the myoelectrical activities of the paravertebral muscles.Forty subjects with chronic low back pain were enrolled and randomly divided into two groups : a group wearing corsets for 6 months (CW) group and a group not wearing corsets (NW). The treatment effects were measured using the Japanese Orthopaedic Association (JOA) score. Muscle endurance was evaluated during the Biering -Sorensen test (S -test), and the degree of muscle fatigue was evaluated by the change in percent mean power frequency (%MPF) of the paravertebral muscles.Corset treatment for chronic low back pain improved low back pain and increased muscle endurance for a short period of time. Paravertebral muscle fatigue was not increased by long -term corset wearing for chronic low back pain, and weakening of the paravertebral muscles was not observed up to 6 months after the start of corset wearing.

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mentioning

confidence: 94%

mentioning

confidence: 99%

Effects of Long-Term Corset Wearing on Chronic Low Back Pain

Sato¹,

Sekiguchi²,

Kikuchi³

et al. 2012

FJMS

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“…Various conservative treatments are conducted for LBP, including lumbar support braces that can be used for LBP treatment as well as injury prevention 1 -6) . In general, the effects of these braces results from both the restriction of flexion -extension movements and lateral bending 7) as well as the reduction of intradiscal pressure on the lumbar vertebrae 8) and the decrease of load on the trunk 9) . However, in spite of the popularity of these supports and the availability of various designs, there is insufficient evidence regarding their effectiveness 2,6) .…”

Section: Introductionmentioning

confidence: 99%

“…However, in spite of the popularity of these supports and the availability of various designs, there is insufficient evidence regarding their effectiveness 2,6) . In addtion, the relationsship between muscle fatigue, muscle activity and low back pain remain an unresolved conrtaversial issue, and a causal relationship between muscle fatigue and Correspondence author : Miho Sekiguchi, MD, PhD E -mail : miho -s@fmu.ac.jp https://www.jstage.jst.go.jp/browse/fms http://www.fmu.ac.jp/home/lib/F -igaku/ 142 H. SAITO et al low back pain have not been found 7) . Furthermore, the effectivness of lumbar support treatment on back muscles has yet to be fully investigated.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Postural Changes and Muscle Fatigue Between Two Types of Lumbar Support: A Prospective Longitudinal Study

Saito

Sekiguchi

Yamada

et al. 2014

FJMS

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: Background : Lumbar supports are used in the management of low back pain (LBP). Although various types of lumbar supports are available, insufficient evidence exists regarding their effectiveness. The aim of this study was to investigate the effect of two types of lumbar support on postural change and muscle fatigue in a prospective longitudinal study. Methods : A total of 144 subjects (9 men and 135 women) with LBP were enrolled in this study. Subjects were divided into 2 groups : a conventional lumbosacral support (LS) group and a weartype support (SW) group. They filled in questionnaires that included the Short Form 36 -Item Health Survey (SF -36), the Roland -Morris Disability Questionnaire (RDQ), and a questionnaire that evaluated the severity of LBP at baseline, 1, 2, and 3 months. The first 40 enrolled subjects were investigated for muscle fatigue and walking efficacy during a gait -loading test, and posture at baseline, 1 month, and 3 months. Results : The intensity of LBP and the number of days with LBP significantly decreased over time in both groups. The decrease was similar in both groups at each time point. Wearing either support for 3 months did not induce erector spinae muscle fatigue. Furthermore, walking efficacy improved but spinal alignment was not affected by either support. Subjects in the SW group reported that the support was comfortable to wear for long periods, while subjects in the LS group mentioned that the LS relieved LBP by tightly supporting the lower back. Conclusion : Both types of support reduced mild LBP and improved walking efficiency without causing muscle fatigue.

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“…Different chair designs have emerged aimed at allowing the individual to assume a correct seating posture while maintaining comfort and functionality 13,14) . Numerous studies have investigated the impact of chair design parameters and the position of VDTs on neck, shoulder, and back pain, including the backrest type 13) , and the associated physiological responses, subjective discomfort ratings, and user perceptions [15][16][17][18] . Among the various factors in seating and chair design, the backrest has become a focal point 19) .…”

mentioning

confidence: 99%