Biomechanical analysis of manual material handling movement in healthy weight and obese workers

Corbeil, Philippe; Plamondon, André; Handrigan, Grant; Vallée-Marcotte, Jasmin; Laurendeau, Simon; Have, Jasmin Ten; Manzerolle, Nancy

doi:10.1016/j.apergo.2018.08.018

Cited by 33 publications

(19 citation statements)

References 39 publications

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“…Reduced muscle strength could possibly stem from diminished muscle function, abnormal metabolism (lower oxidative capacity of muscle fibers, despite their hypertrophy), and lower physical activity levels, also exhibited by reduced motor unit activation during exercise [ 40 ]. Besides this, the excess weight of obese people has a significant added effect on the musculoskeletal structures of the back, which expose them to a higher risk of developing musculoskeletal disorders during load handling [ 41 ]. Resistance training, including exercises strengthening core musculature, is therefore of special importance for this segment of the population.…”

Section: Discussionmentioning

confidence: 99%

Muscular Power during a Lifting Task Increases after Three Months of Resistance Training in Overweight and Obese Individuals

Zemková

Kyselovičová

Jeleń

et al. 2017

Sports

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Background: This study evaluates the effect on power produced during a modified lifting task in the overweight and obese after three months of either resistance or aerobic training. Methods: Seventeen male subjects divided randomly into two groups performed deadlift and deadlift high pull, both with increasing weights up to maximal power, prior to and after the training programs (three sessions per week). Results: Their mean power increased significantly during the deadlift at 20 kg (14.3%, p = 0.026), 30 kg (17.7%, p = 0.008), 40 kg (16.5%, p = 0.011), 50 kg (14.5%, p = 0.020), and 60 kg (14.3%, p = 0.021) and during the deadlift high pull at 30 kg (9.9%, p = 0.037), 40 kg (10.1%, p = 0.035), and 50 kg (8.2%, p = 0.044) after the resistance training. However, the group that participated in the aerobic training failed to show any significant changes in power performance during either the deadlift or deadlift high pull. Conclusion: Three months of resistance training enhances power outputs during a lifting task with weights from 30 to 50 kg (~40–60% of 1-repetition maximum) in the overweight and obese. Because this test was sensitive in revealing pre-post training changes in lifting performance, it should be implemented in the functional diagnostics for overweight and obese individuals and also complement existing testing methods.

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Section: Discussionmentioning

confidence: 99%

Muscular Power during a Lifting Task Increases after Three Months of Resistance Training in Overweight and Obese Individuals

Zemková

Kyselovičová

Jeleń

et al. 2017

Sports

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“…Several studies analyzing MMH tasks have been carried out at the IRSST (Institut de recherche Robert-Sauvé en santé et en sécurité du travail, Montréal, Canada) biomechanical laboratory. They consisted in comparing expert and novice workers (Plamondon et al, 2010), analyzing the importance of expertise, lifting height and weight lifted (Plamondon et al, 2012), comparing healthy bodyweight and obese workers (Corbeil et al, 2013(Corbeil et al, , 2019 and comparing male and female workers (Gagnon et al, 2018). The parameters studied were kinematic variables such as the upper trunk flexion, horizontal hand distance to L5/S1 or knee flexion and kinetic variables such as the L5/S1 joint moments.…”

Section: Methodsmentioning

confidence: 99%

“…An Optotrak system (Northern Digital Inc., Waterloo, Ontario, Canada) recorded at 30 Hz the 3-D coordinates of markers located on the subject. As previously done (Plamondon et al, 2010(Plamondon et al, , 2012Corbeil et al, 2013Corbeil et al, , 2019Gagnon et al, 2018), twelve clusters of four markers were attached to each subject segment (head, back at C7, T12 and S1, as well as both arms, both forearms, both thighs and both feet). At the beginning of each experiment, the locations of 48 anatomical landmarks were identified in relation to their respective cluster.…”

Section: Methodsmentioning

confidence: 99%

“…The National Research Council (2001) reported that there is a clear relationship between back disorders and physical load. In this context, numerous studies have evaluated back loading in manual materials handling (MMH) (Marras et al, 2006;Plamondon et al, 2010;Ning et al, 2014;Corbeil et al, 2019;Gagnon et al, 2018). In most of these studies, back loading was assessed from the L5/S1 joint moments, based on a motion capture system associated to one or more force platforms, usually in a motion analysis laboratory.…”

Section: Introductionmentioning

confidence: 99%

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Motion-based prediction of external forces and moments and back loading during manual material handling tasks

et al. 2020

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This paper evaluates a method for motion-based prediction of external forces and moments on manual material handling (MMH) tasks. From a set of hypothesized contact points between the subject and the environment (ground and load), external forces were calculated as the minimal forces at each contact point while ensuring the dynamics equilibrium. Ground reaction forces and moments (GRF&M) and load contact forces and moments (LCF&M) were computed from motion data alone. With an inverse dynamics method, the predicted data were then used to compute kinetic variables such as back loading. On a cohort of 65 subjects performing MMH tasks, the mean correlation coefficients between predicted and experimentally measured GRF for the vertical, antero-posterior and medio-lateral components were 0.91 (0.08), 0.95 (0.03) and 0.94 (0.08), respectively. The associated RMSE were 0.51 N/kg, 0.22 N/kg and 0.19 N/kg. The correlation coefficient between L5/S1 joint moments computed from predicted and measured data was 0.95 with a RMSE of 14 Nm for the flexion / extension component. In conclusion, this method allows the assessment of MMH tasks without force platforms, which increases the ecological aspect of the tasks studied and enables performance of dynamic analyses in real settings outside the laboratory.

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“…Indeed, obese manual materials handlers are likely to be at risk of developing a musculoskeletal disorder during lifting because of biomechanical stress on the back (e.g. Singh et al 2015;Corbeil et al 2019). In addition, pre-obese and obese individuals have a significantly lower range of motion than those of normal weight for elbow flexion, supination, hip extension and flexion, knee flexion and plantarflexion, which also has implications for manual handling at work (Jeong et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Plus size and obese workers: anthropometry estimates to promote inclusive design

2019

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Plus size and obese workers: Anthropometry estimates to promote inclusive design A significant proportion of the adult population globally is overweight, obese or classed as 'plus size'. This has led to variability in size and shape across the working population and exclusion in the workplace. A new dataset of the anthropometry of plus size people has been created. Length dimensions were similar to other data, but breadth, circumference, and depth measurements were substantially larger. Hip breadth and abdominal depth were important for predicting largeness in this population. These data help explain the high exclusion rates from design and the number of fit, reach, posture and clearance issues reported by participants with a high BMI: generally, the higher the BMI the greater prevalence of problems. It is hoped that a better understanding of the anthropometric characteristics of the plus size worker will inform the design of safe, productive work environments to promote inclusion for a wider range of people.

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Biomechanical analysis of manual material handling movement in healthy weight and obese workers

Cited by 33 publications

References 39 publications

Muscular Power during a Lifting Task Increases after Three Months of Resistance Training in Overweight and Obese Individuals

Muscular Power during a Lifting Task Increases after Three Months of Resistance Training in Overweight and Obese Individuals

Motion-based prediction of external forces and moments and back loading during manual material handling tasks

Plus size and obese workers: anthropometry estimates to promote inclusive design

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