Volume 8, Issue 2 (Summer 2018)                   PTJ 2018, 8(2): 93-98 | Back to browse issues page


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1- Department of Orthotics and Prosthetics, School of Rehabilitation, Hamadan University of Medical Sciences, Hamadan, Iran.
2- Department of Physical Education, Faculty of Human Sciences, Hamedan Branch, Islamic Azad University, Hamadan, Iran.
3- Department of Physical Education and Sport Sciences, Faculty of Sports Sciences, Ferdowsi University of Mashhad, Mashhad, Iran.
Abstract:   (3665 Views)
Purpose: The present research evaluated the effect of using a back brace for 8 weeks on the Electromyography (EMG) activity of the selected muscles among individuals with chronic back pain in the mid-stance phase of walking.
Methods: This quasi-experimental research evaluated 22 women with chronic back pain in terms of erector spinae muscles activity, abdominal erectus, abdominal external oblique, and abdominal internal oblique. The study participants were randomly selected and divided into the experimental and control groups. The experimental group employed back brace for 8 weeks. Before and after using the brace, the EMG activity was recorded in both groups. The Independent t-test and Paired t-test were used to analyze the data (P≤0.05) in SPSS.
Results: In the experimental group, the EMG activity of erector spinae and abdominal erectus muscle in the mid-stance phase of walking was significantly less than that of the control group. However, there was no significant difference in respect of external and internal oblique muscles in the experimental group compared to the controls (P>0.05).
Conclusion: Using brace can reduce the activity of erector spinae and abdominal erectus muscle in the mid-stance phase of walking. Kinematic and kinetic studies are necessary to describe the reasons for these changes because of back brace use.
Keywords: Back pain, Brace, Walking
Full-Text [PDF 544 kb]   (1357 Downloads) |   |   Full-Text (HTML)  (1104 Views)  
Type of Study: Research | Subject: Special
Received: 2018/01/13 | Accepted: 2018/05/5 | Published: 2018/07/1

References
1. Seay JF, Van Emmerik RE, Hamill J. Low back pain status affects pelvis-trunk coordination and variability during walking and running. Clinical Biomechanics. 2011; 26(6):572-8. [DOI:10.1016/j.clinbiomech.2010.11.012] [PMID] [DOI:10.1016/j.clinbiomech.2010.11.012]
2. Waddell G, Burton AK. Occupational health guidelines for the management of low back pain at work: Evidence review. Occupational Medicine. 2001; 51(2):124-35. [DOI:10.1093/occmed/51.2.124] [DOI:10.1093/occmed/51.2.124]
3. Bird AR, Bendrups AP, Payne CB. The effect of foot wedging on electromyographic activity in the erector spinae and gluteus medius muscles during walking. Gait & Posture. 2003; 18(2):81-91. [DOI:10.1016/S0966-6362(02)00199-6] [DOI:10.1016/S0966-6362(02)00199-6]
4. Weksler N, Velan GJ, Semionov M, Gurevitch B, Klein M, Rozentsveig V, et al. The role of sacroiliac joint dysfunction in the genesis of low back pain: The obvious is not always right. Archives of Orthopaedic and Trauma Surgery. 2007; 127(10):885-8. [DOI:10.1007/s00402-007-0420-x] [PMID] [DOI:10.1007/s00402-007-0420-x]
5. Nelson-Wong E, Alex B, Csepe D, Lancaster D, Callaghan JP. Altered muscle recruitment during extension from trunk flexion in low back pain developers. Clinical Biomechanics. 2012; 27(10):994-8. [DOI:10.1016/j.clinbiomech.2012.07.007] [PMID] [DOI:10.1016/j.clinbiomech.2012.07.007]
6. Wong TK, Lee RY. Effects of low back pain on the relationship between the movements of the lumbar spine and hip. Human Movement Science. 2004; 23(1):21-34. [DOI:10.1016/j.humov.2004.03.004] [PMID] [DOI:10.1016/j.humov.2004.03.004]
7. Arendt-Nielsen L, Graven-Nielsen T, Svarrer H, Svensson P. The influence of low back pain on muscle activity and coordination during gait: A clinical and experimental study. Pain. 1996; 64(2):231-40. [DOI:10.1016/0304-3959(95)00115-8] [DOI:10.1016/0304-3959(95)00115-8]
8. Hanada EY, Johnson M, Hubley-Kozey C. A comparison of trunk muscle activation amplitudes during gait in older adults with and without chronic low back pain. Physical Medicine and Rehabilitation. 2011; 3(10):920-8. [DOI:10.1016/j.pmrj.2011.06.002] [PMID] [DOI:10.1016/j.pmrj.2011.06.002]
9. van der Hulst M, Vollenbroek-Hutten MM, Rietman JS, Hermens HJ. Lumbar and abdominal muscle activity during walking in subjects with chronic low back pain: Support of the "guarding" hypothesis. Journal of Electromyography and Kinesiology. 2010; 20(1):31-8. [DOI:10.1016/j.jelekin.2009.03.009] [PMID] [DOI:10.1016/j.jelekin.2009.03.009]
10. Keir PJ, MacDonell CW. Muscle activity during patient transfers: A preliminary study on the influence of lift assists and experience. Ergonomics. 2004; 47(3):296-306. [DOI:10.1080/0014013032000157922] [PMID] [DOI:10.1080/0014013032000157922]
11. Fryer G, Morris T, Gibbons P. Paraspinal muscles and intervertebral dysfunction: Part one. Journal of Manipulative and Physiological Therapeutics. 2004; 27(4):267-74. [DOI:10.1016/j.jmpt.2004.04.008] [PMID] [DOI:10.1016/j.jmpt.2004.04.008]
12. Kim JW, Kwon OY, Kim TH, An DH, Oh JS. Effects of external pelvic compression on trunk and hip muscle EMG activity during prone hip extension in females with chronic low back pain. Manual Therapy. 2014; 19(5):467-71. [DOI:10.1016/j.math.2014.04.016] [PMID] [DOI:10.1016/j.math.2014.04.016]
13. Hermens DH, Feriks B. Surface Electromyography for the Non-Invasive Assessment of Muscle (SENIAM). Brussels: European ::::union::::; 2005.
14. Dankaerts W, O'Sullivan PB, Burnett AF, Straker LM, Danneels LA. Reliability of EMG measurements for trunk muscles during maximal and sub-maximal voluntary isometric contractions in healthy controls and CLBP patients. Journal of Electromyography and Kinesiology. 2004; 14(3):333-42. [DOI:10.1016/j.jelekin.2003.07.001] [PMID] [DOI:10.1016/j.jelekin.2003.07.001]
15. Allison GT, Godfrey P, Robinson G. EMG signal amplitude assessment during abdominal bracing and hollowing. Journal of Electromyography and Kinesiology. 1998; 8(1):51-7. [DOI:10.1016/S1050-6411(97)00004-7] [DOI:10.1016/S1050-6411(97)00004-7]
16. Stokes IA, Gardner-Morse M. Lumbar spine maximum efforts and muscle recruitment patterns predicted by a model with multijoint muscles and joints with stiffness. Journal of Biomechanics. 1995; 28(2):177-86. [DOI:10.1016/0021-9290(94)E0040-A] [DOI:10.1016/0021-9290(94)E0040-A]
17. Örtengren R, Andersson GB. Electromyographic studies of trunk muscles, with special reference to the functional anatomy of the lumbar spine. Spine. 1977; 2(1):44-52. [PMID] [DOI:10.1097/00007632-197703000-00005]
18. Cresswell AG, Oddsson L, Thorstensson A. The influence of sudden perturbations on trunk muscle activity and intra-abdominal pressure while standing. Experimental Brain Research. 1994; 98(2):336-41. [DOI:10.1007/BF00228421] [PMID] [DOI:10.1007/BF00228421]
19. Park KH, Ha SM, Kim SJ, Park KN, Kwon OY, Oh JS. Effects of the pelvic rotatory control method on abdominal muscle activity and the pelvic rotation during active straight leg raising. Manual Therapy. 2013; 18(3):220-4. [DOI:10.1016/j.math.2012.10.004] [PMID] [DOI:10.1016/j.math.2012.10.004]
20. Hogervorst T, Brand RA. Current concepts review-mechanoreceptors in joint function. Journal of Bone and Joint Surgery. 1998; 80(9):1365-78. [DOI:10.2106/00004623-199809000-00018] [DOI:10.2106/00004623-199809000-00018]

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