Frequency of breaks, amount of muscular rest, and sustained muscle activity related to neck pain in a pooled dataset

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Frequency of breaks, amount of muscular rest, and sustained muscle activity related to neck pain in a pooled dataset

Koch, Markus (författare): National Institute of Occupational Health, Norway

Forsman, Mikael (författare): Karolinska Institute

Enquist, Henrik (författare): Lund University,Lunds universitet,Arbetsrelaterade besvär i rörelseorganen,Forskargrupper vid Lunds universitet,Work-related musculoskeletal disorders,Lund University Research Groups

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Baare Olsen, Henrik (författare): University of Southern Denmark

Søgaard, Karen (författare): University of Southern Denmark

Sjøgaard, Gisela (författare): University of Southern Denmark

Østensvik, Tove (författare): Norwegian Institute of Bioeconomy Research (Nibio)

Nilsen, Petter (författare): Norwegian Institute of Bioeconomy Research (Nibio)

Andersen, Lars Louis (författare): The National Research Centre for the Working Environment

Due Jacobsen, Markus (författare): The National Research Centre for the Working Environment

Brandt, Mikkel (författare): The National Research Centre for the Working Environment

Westgaard, Rolf (författare): Norwegian University of Science and Technology

Mork, Paul Jarle (författare): Norwegian University of Science and Technology

Fan, Xuelong (författare): Karolinska Institute

Wærsted, Morten (författare): National Institute of Occupational Health, Norway

Veiersted, Kaj Bo (författare): National Institute of Occupational Health, Norway

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(creator_code:org_t)

2024
2024
Engelska.
Ingår i: PLoS ONE. - 1932-6203. ; 19:6, s. 1-22

Relaterad länk:: http://dx.doi.org/10... (free); visa fler...; https://lup.lub.lu.s...; https://doi.org/10.1...; visa färre...

Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

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BACKGROUND: Neck pain remains a persistent challenge in modern society and is frequently encountered across a wide range of occupations, particularly those involving repetitive and monotonous tasks. It might be expected that patterns of trapezius muscle activity at work, characterized by few breaks and prolonged periods of sustained muscle activity, are linked to neck pain. However, previous cross-sectional studies have generally failed to establish a definitive association. While some longitudinal studies have suggested that extended periods of heightened muscle activity could be a risk factor for neck pain, these findings often relied on limited participant numbers or specific professional groups. This study aimed to investigate the relationship between trapezius muscle activity and neck pain by pooling data from seven Scandinavian research institutes encompassing a diverse range of occupational backgrounds.METHODS: Electromyographic (EMG) data for the upper trapezius muscle, collected during working hours, were coupled with questionnaire responses pertaining to neck pain, individual characteristics, and potential confounding variables for a total of 731 subjects. Additionally, longitudinal data from 258 subjects were available. The various EMG datasets were consolidated into a standardized format, and efforts were made to harmonize inquiries about neck pain. Regression analyses, adjusting for sex and height, were conducted to explore the associations between muscle activity variables and neck pain. An exposure index was devised to quantify the cumulative neck load experienced during working hours and to differentiate between various occupational categories.RESULTS: The cross-sectional data displayed a distinct pattern characterized by positive associations for brief periods of sustained muscle activity (SUMA) and negative associations for prolonged SUMA-periods and neck pain. The longitudinal data exhibited a contrasting trend, although it was not as pronounced as the cross-sectional findings. When employing the exposure index, notable differences in cumulative muscle load emerged among occupational groups, and positive associations with longitudinal neck pain were identified.DISCUSSION: The results suggest that individuals with neck pain experience higher cumulative workloads and extended periods of muscle activity over the long term. In the short term, they appear to compensate by taking frequent short breaks, resulting in a lower cumulative workload. Regardless of their occupation, it is crucial to distribute work breaks throughout the workday to ensure that the cumulative load remains manageable.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)

Nyckelord

Humans
Neck Pain/physiopathology
Male
Female
Electromyography
Adult
Superficial Back Muscles/physiopathology
Cross-Sectional Studies
Middle Aged
Rest/physiology
Occupational Diseases/physiopathology
Surveys and Questionnaires
Longitudinal Studies

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Av författaren/redakt...: Koch, Markus; Forsman, Mikael; Enquist, Henrik; Baare Olsen, Hen ...; Søgaard, Karen; Sjøgaard, Gisela; visa fler...; Østensvik, Tove; Nilsen, Petter; Andersen, Lars L ...; Due Jacobsen, Ma ...; Brandt, Mikkel; Westgaard, Rolf; Mork, Paul Jarle; Fan, Xuelong; Wærsted, Morten; Veiersted, Kaj B ...; visa färre...

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