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

Mokhtarinia, Hamid Reza; Ghamary, Javad; Maleki-Ghahfarokhi, Azam; Asgari, Morteza; Gabel, Charles Philip; Parnianpour, Mohamad

doi:10.15171/hpp.2019.16

Cited by 3 publications

(1 citation statement)

References 37 publications

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“…Meanwhile, the design of the spinal girdle specifically for brick-making industrial workers and its effectiveness has not been explored much. Several similar studies include the design of lumbar supports for assembly line workers (Bataller-Cervero et al, 2019), wearable lumbosacral support types for hospital workers (Hagiwara et al, 2017), designs of back belts aimed at preventing back pain due to prolonged sitting (Mokhtarinia et al, 2019).…”

Section: Nursing Practicesmentioning

confidence: 99%

Design and Development of Thoracic Lumbar Sacral Orthosis Brace to Reduce Back Pain

Santosa¹,

Irwanto²,

Khotimah³

2023

IJNP

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Background: Doing activities that burden the back, such as bending over for a long time and lifting weights in the wrong position, can cause injury to the spine, leaving back pain. Thoracic Lumbar Sacral Orthosis Brace (TLSO Brace) is a tool used to support the spine so that it can prevent such an injury. Objective:This research aims to design and pilot a new ergonomic TLSO Brace that can be used to improve posture, reduce back pain and prevent back pain.Methods: This research is divided into several stages, namely designing, manufacturing, and testing.Results: The results show that the level of ergonomics is mainly in the Good category. The use of the TLSO Brace was proven effective in reducing back pain intensity (p0.0001); the average pain was reduced after 14 minutes. The results also found that all respondents who used the brace at work felt no back pain. It can be seen that the lordosis back arch becomes upright after using it, meaning the tool also improves posture.Conclusions: The ergonomic TLSO Brace has been created and can improve body posture, reduce pain intensity and prevent back pain from recurring.

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Section: Nursing Practicesmentioning

confidence: 99%

Design and Development of Thoracic Lumbar Sacral Orthosis Brace to Reduce Back Pain

Santosa¹,

Irwanto²,

Khotimah³

2023

IJNP

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Spine curvature data measurement and its application on product development

Shanmugam

Subramaniyam

2020

IOP Conf. Ser.: Mater. Sci. Eng.

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Human Spinal Column important structure thatgives strength and support to the entire upper body. The entire vertebral column is divided into Cervical, Thoracic, Lumbar, Sacrum, and Coccyx. The normal spine curvature consists of cervical curve, thoracic curve, lumber curve andsacral curve. The normal spine has an S-shaped curve when viewed from the sideways. Two alternating curves to create an S like structure areLordotic Curve (Lordosis) andKyphotic curve (Kyphosis).It has been suggested that deviations in one or both of these variables may increase a person’s risk of developing back pain. Human spine curvature datarequiredin various field including – to study how heavy school bags affects posture/curvature of school going kids,spine curvature changes due to aging,posture changes with pregnancy,upper body posture changes due to mobile phone use,body posture changes due to sitting posture / office ergonomics, etc.Besides, the human spine curvature data are required for product development such as a mattress, chair, automobile seat, pillow, rehabilitation pads, school bag, baby carrier, assistive product for pregnant women/elderly, etc. The purpose of this study is to investigate the importance of spine curvature data measurement and its applications on product development.

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Laptop use and muscle activity in adult females: Ground sitting has lower muscular demand than using a chair

Rafiee

Mokhtarinia

Parsons

et al. 2023

WOR

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BACKGROUND: With progressing technology in the portable computing field, laptops are now integral for work, home and social settings. Different working postures adopted by laptop users impose different loads on the relevant muscles, which can be associated with musculoskeletal discomfort in the various body regions. Some Arabic and Asian cultures adopted postures are not well investigated, particularly for the 20–30 years age-group. OBJECTIVE: This study compared muscle activity in the cervical spine, arm, and wrist among different laptop workstation setups. METHODS: In this cross-sectional study, 23 healthy female university students (age = 24.2±2.28 years, range 20–26 years) performed a standardized 10 minute typing task in four different laptop workstation setups: DESK, SOFA, GROUND sitting with back support, and laptop table (LAP-Tab). Differences between electromyography (EMG) muscle activity recorded in the trapezius (TR), cervical extensors (CE), deltoid (DEL), and wrist extensors (WE) were determined using one-way repeated ANOVA measures with a post-hoc Bonferroni test. RESULTS: Significantly higher muscle activity was observed respectively in the workstations of DESK > LAP-Tab > SOFA > GROUND. Significant differences were found between WE muscle activity and the three other muscle groups (p < 0.001). There was a significant interaction between workstations and muscle activity (F(9,264) = 3.81, p < 0.001, = 0.11), where the WE and DEL muscles showed respectively higher and lower muscle activity in all setups. CONCLUSION: Muscles showed variable activity in different workstations such that the GROUND workstation provided the minimum load, while the DESK workstation showed the maximum load on the measured muscle groups. These findings require further investigation in different cultural and gender specific groups.

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

Cited by 3 publications

References 37 publications

Design and Development of Thoracic Lumbar Sacral Orthosis Brace to Reduce Back Pain

Design and Development of Thoracic Lumbar Sacral Orthosis Brace to Reduce Back Pain

Spine curvature data measurement and its application on product development

Laptop use and muscle activity in adult females: Ground sitting has lower muscular demand than using a chair

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