Effect of occupational pushing and pulling combined with improper working posture on low back pain among workers.

This study aimed to investigate the impact of occupational pushing and pulling combined with improper working posture on work-related low back pain (LBP) among workers. A web-based survey was conducted in 2022 to collect data from 15,623 workers, who were categorized into proper and improper working posture groups. Multiple logistic regression analysis was used to analyze the association between pushing and pulling loads and LBP in each group.

Effect of relative weight limit set as a body weight percentage on work-related low back pain among workers.

Introduction: A quarter of work-related low back pain (LBP) cases result from handling heavy loads in Japan. The maximum weight male/female workers can handle is 40%/24% of their body weight but has set a constant load weight in ISO 11228-1 and NIOSH lifting equation. The preventive effect of the relative weight limit on LBP has not been clarified.

Organization factors influencing quality of work life among seniors' care workers with severe low back pain.

Objectives: The prevalence of work-related low back pain (LBP) is high among care workers and can negatively affect quality of work life (QWL). To improve workplace satisfaction, this study aimed to identify factors influencing QWL among seniors' care workers with severe LBP.

Methods: A questionnaire survey including items on demographics, qualifications, basic job responsibilities, job stressors, LBP severity, QWL, and job satisfaction was conducted in 2018.

Computer and Furniture Affecting Musculoskeletal Problems and Work Performance in Work From Home During COVID-19 Pandemic.

Objectives: We surveyed how home-working conditions, specifically furniture and computer use, affected self-reported musculoskeletal problems and work performance.

Methods: Questionnaires from 4112 homeworkers were analyzed. The relationship between subjective musculoskeletal problems or work performance and working conditions were determined by logistic regression analyses.

Relationship between using tables, chairs, and computers and improper postures when doing VDT work in work from home.

This study focused on everyday furniture and computers used in work from home and aimed to investigate how improper postures increase the risk of musculoskeletal disorders using different combinations of tables, chairs, and computers. Twenty-one healthy participants were asked to perform a visual display terminal task for 30 minutes in a laboratory modeled on the work from home concept. Seven experimental conditions were set up according to the different combinations of desks, chairs, and computers.