The new ; Tehran Back Belt; : Design then testing during a simulated sitting task improved biomechanical spine muscle activity

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MOKHTARINIA HAMIDREZA; Ghamary Javad; Maleki Ghahfarokhi Azam; ASGARI MORTEZA; Philip Gabel Charles; PARNIANPOUR MOHAMAD

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Journal Paper

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Journal: Health Promotion Perspectives Year:2019 | Volume:9 | Issue:2 Page(s): 115-122

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Title

The new ; Tehran Back Belt; : Design then testing during a simulated sitting task improved biomechanical spine muscle activity

Author(s)

Keywords

Back belt

Para-spinal muscle activity

Sitting posture

User experience

Abstract

Background: Spinal load and muscle activity in occupation settings is an area of increasing concern. Regarding technological advancements, in diverse occupations the spinal loads have increased through constrained seated postures. Back belts are consequently used in prophylactic and conservative management of occupational low back pain (LBP) in two distinct settings, prevention in industry, and treatment in LBP management. Industrial sites utilize belts for LBP prophylaxis on a large scale with their design and User experience (UE) influencing both the effectiveness and the workers’ compliance. This pilot study aims at determining the effectiveness of the new Tehran Back belt (TBB) and assesses both UE and biomechanical effect (BE) on paraspinal muscle activity in healthy subjects. Methods: A pretest-posttest study. Stage-1, design and fabrication of the TBB. Stage-2, the UE of the designed belt evaluated in healthy volunteers (n = 30) via a checklist. The BE was determined from the level of lumbar extensor and trunk flexor muscle activity gauged during two test conditions of Sitting posture (with and without belt) over 35-minute periods. Results: Most subjects (>90%) reported high ‘ ease of use’ and ‘ comfort’ while wearing the TBB. The BE statistical analysis showed significantly reduced EMG activity levels for the longissimus (P = 0. 012, η 2 = 0. 24), rectus abdominis (P = 0. 024, η 2 = 0. 18) and internal oblique (P = 0. 001, η 2 = 0. 44) muscles in belt-use conditions. Conclusion: Decreased muscle activity while using the TBB is potentially advantageous for workers as spinal muscle activity is significantly reduced. Further investigations for longer duration effects and during real work office-based activities are warranted.

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APA: Copy

MOKHTARINIA, HAMIDREZA, Ghamary, Javad, Maleki Ghahfarokhi, Azam, ASGARI, MORTEZA, Philip Gabel, Charles, & PARNIANPOUR, MOHAMAD. (2019). The new ; Tehran Back Belt; : Design then testing during a simulated sitting task improved biomechanical spine muscle activity. HEALTH PROMOTION PERSPECTIVES (HPP), 9(2), 115-122. SID. https://sid.ir/paper/778840/en

Vancouver: Copy

MOKHTARINIA HAMIDREZA, Ghamary Javad, Maleki Ghahfarokhi Azam, ASGARI MORTEZA, Philip Gabel Charles, PARNIANPOUR MOHAMAD. The new ; Tehran Back Belt; : Design then testing during a simulated sitting task improved biomechanical spine muscle activity. HEALTH PROMOTION PERSPECTIVES (HPP)[Internet]. 2019;9(2):115-122. Available from: https://sid.ir/paper/778840/en

IEEE: Copy

HAMIDREZA MOKHTARINIA, Javad Ghamary, Azam Maleki Ghahfarokhi, MORTEZA ASGARI, Charles Philip Gabel, and MOHAMAD PARNIANPOUR, “The new ; Tehran Back Belt; : Design then testing during a simulated sitting task improved biomechanical spine muscle activity,” HEALTH PROMOTION PERSPECTIVES (HPP), vol. 9, no. 2, pp. 115–122, 2019, [Online]. Available: https://sid.ir/paper/778840/en

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