The effects of age and musculoskeletal pain on force variability among manual workers

Norheim, Kristoffer Larsen; Samani, Afshin; Bønløkke, Jakob Hjort; Omland, Øyvind; Madeleine, Pascal

doi:10.1016/j.humov.2018.12.006

Cited by 7 publications

(4 citation statements)

References 48 publications

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“…Another application of eye tracking lies within cognitive ergonomics [226] and neuroergonomics [227,228] to adjust the usability properties of devices based on the cognitive capacities of human in different ages. The current focus on the issue of aging is beyond physical declines [229][230][231]. Eye tracking plays an important role in neuroergonomics to model age-related variations in human-machine interactions [227], to improve the console interface design for elderly individuals.…”

Section: Cognition and Cognitive Ergonomicsmentioning

confidence: 99%

Aging and Eye Tracking: in the Quest for Objective Biomarkers

Marandi

Gazerani

2019

Future Neurol.

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Recent applications of eye tracking for diagnosis, prognosis and follow-up of therapy in age-related neurological or psychological deficits have been reviewed. The review is focused on active aging, neurodegeneration and cognitive impairments. The potential impacts and current limitations of using characterizing features of eye movements and pupillary responses (oculometrics) as objective biomarkers in the context of aging are discussed. A closer look into the findings, especially with respect to cognitive impairments, suggests that eye tracking is an invaluable technique to study hidden aspects of aging that have not been revealed using any other noninvasive tool. Future research should involve a wider variety of oculometrics, in addition to saccadic metrics and pupillary responses, including nonlinear and combinatorial features as well as blink- and fixation-related metrics to develop biomarkers to trace age-related irregularities associated with cognitive and neural deficits.

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Section: Cognition and Cognitive Ergonomicsmentioning

confidence: 99%

Aging and Eye Tracking: in the Quest for Objective Biomarkers

Marandi

Gazerani

2019

Future Neurol.

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“…Maximal isometric handgrip strength (HGS) was measured using a digital dynamometer (Model G100, Biometrics Ltd, Gwent, UK). Briefly, participants sat in a chair holding the dynamometer in their dominant hand with their lower arm resting on an armchair 27 . Three maximal trials lasting 3 s separated by 2 min rest were completed and the highest value was defined as maximal HGS.…”

Section: Systemic Inflammationmentioning

confidence: 99%

Physical performances show conflicting associations in aged manual workers

Norheim

Samani

Bønløkke

et al. 2020

Sci Rep

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Ageing is associated with a decrease in physical performance implying that aged manual workers may be unable to match the physical requirements of their jobs. In this cross-sectional study, 96 male manual workers aged 51-72 years were recruited. Outcomes included handgrip strength (HGS), fat-free mass (FFM), fat percentage, cardiorespiratory fitness (Vo 2 max), forced vital capacity (FVC), forced expiratory volume after 1 s (FEV 1 ), spinal flexibility, sit-to-stand test performance and static balance. Covariates included height, smoking habits, leisure-time physical activity and systemic inflammation from blood samples. Outcomes were also compared with general populations. Age was negatively related to FFM and FEV 1 , whereas static balance (velocity of displacement) was positively associated with age. Greater HGS, but poorer Vo 2 max and FEV 1 /FEV ratio were found compared with general populations. Age was negatively related with physical performances although a large part of the variance in performance could be explained by factors other than age such as smoking and systemic inflammation. The manual workers had greater muscle strength but had poorer cardiorespiratory fitness and lung function when compared with general populations. Specific health interventions targeting specifically cardiorespiratory fitness, lung function, and balance may be needed to maintain physical performances among manual workers.Noticeable age-related reductions in physical performance typically start beyond the third 1 and accelerate after the fifth decade of life 2-5 . These changes include reduced muscle strength 3 and cardiorespiratory fitness 4 , altered body composition 2 and impaired lung function 4 . Together, these adverse effects of ageing eventually culminate in diminished physical performances and mobility impairments 6,7 . An inactive life style has been ascribed as an important factor contributing to such changes and increasing physical activity-through either aerobic or resistance-based exercise-may mitigate some of the negative effects of age on physical performances 6,8 .Adults who have physically demanding jobs are inherently physically active in their working life. Intuitively, this should retain their physical performance to a greater extent than that of people doing sedentary work 8-10 . However, the physical activities performed by manual workers may help in maintaining muscle strength 11 , but do not seem to improve cardiorespiratory fitness [11][12][13][14][15] . Moreover, a recent systematic review has shown that high occupational physical activity increases the risk of all-cause mortality by 18% 16 . Average life expectancy has steadily increased over the last century, which has led policymakers to pass laws that increase retirement age in an attempt to accommodate the growing population of senior workers. The effect of increasing retirement age may therefore be to shorten the years lived in good health for manual workers 17 . Although muscle strength is reportedly higher in manual workers when compared with...

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“…Physical work ability required in building and construction work, e.g. strength and speed, decreases with age [23,24]. Accordingly, younger workers may be less affected by work pace and physical work demands than older workers, who may be less able to withstand the demands.…”

Section: Introductionmentioning

confidence: 99%

Association of perceived work pace and physical work demands with occupational accidents: a cross-sectional study of ageing male construction workers in Denmark

et al. 2022

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Background Occupational accidents continue to be a significant public health challenge worldwide. Construction workers in particular are at high risk of occupational accidents, and thus it is of major importance to identify possible predictors of occupational accidents among construction workers. We aimed to investigate the association between self-reported work pace and physical work demands and occupational accidents among ageing male construction workers in Denmark. Methods Data on perceived work pace, physical work demands, and occupational accidents was acquired from questionnaires sent to ageing construction workers in Denmark in 2016 as part of the ALFA project (ALdring og Fysisk Arbejde; Ageing and Physical Work). A sample of 1270 Danish male construction workers above 50 years of age was included in the present study. Multiple logistic regression models were applied, with adjustments for age, smoking, body mass index, musculoskeletal disorders, occupation, work experience, and support at work. Results Of 1270 construction workers, 166 (13.1%) reported an occupational accident within the last 12 months. There was no significant association between perceived work pace and occupational accidents, but physical work demands were associated with higher odds for occupational accidents, with an odds ratio of 2.27 (95% confidence interval 1.26–4.10) for medium physical work demands and 2.62 (95% confidence interval 1.50–4.57) for high physical work demands. Conclusions Ageing male construction workers with high physical work demands had statistically significant higher odds of having an occupational accident. By contrast, perceived work pace was not associated with occupational accidents in this large cross-sectional study.

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The effects of age and musculoskeletal pain on force variability among manual workers

Cited by 7 publications

References 48 publications

Aging and Eye Tracking: in the Quest for Objective Biomarkers

Aging and Eye Tracking: in the Quest for Objective Biomarkers

Physical performances show conflicting associations in aged manual workers

Association of perceived work pace and physical work demands with occupational accidents: a cross-sectional study of ageing male construction workers in Denmark

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