Lars Louis Andersen

Lars Louis Andersen
National Research Centre for the Working Environment · Musculoskeletal Disorders

MSc, PhD

About

482
Publications
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12,606
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Publications

Publications (482)
Article
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Background: Absence of certain leadership behaviours, such as lack of feedback, recognition and involvement in employee development, has been associated with long-term sickness absence. We tested the hypothesis that absence of eight specific behaviours predicts health-related early exit from employment, and investigated differential effects in sub...
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Introduction: After hospitalization, early detection of musculoskeletal sequelae might help healthcare professionals to improve and individualize treatment, accelerating recovery after COVID-19. The objective was to determine the as- sociation between the 30s sit-to-stand muscle power (30s-STS) and cross-sectional area of the chest muscles (pectora...
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It is increasingly urgent to retain older workers in the workforce. In the present study, we analysed the prospective associations between employees’ perceptions of their managers’ attitudes towards older workers, and of having experienced age discrimination in the labour market with the risk of loss of paid work before the state pension age. Quest...
Article
Objective: This study aimed to estimate the impact of high physical work demands on expected labor market affiliation (ELMA) among men and women of different ages in the general working population. Methods: After participating in the Danish Work Environment and Health study (2012, 2014, and/or 2016), 46 169 employees were followed for two years...
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Background: This study investigates the association between the implementation of new technology in the workplace and the subsequent loss of paid employment among older workers. Methods: We estimated the prospective risk of loss of paid employment (register-based) from questions on new technology among 10,320 older workers (≥50 years). To invest...
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Objective: This study aimed to investigate the importance of combined psychosocial work factors for the risk of long-term sickness absence (LTSA). Methods: We followed 69 371 employees in the general working population (Work Environment and Health in Denmark study 2012-2018), without LTSA during the preceding year, for up to two years in the Dan...
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Background: Mixed evidence exists on the association between muscle strength and mortality in older adults ,in particular for cancer mortality. Aim: To examine the dose–response association of objectively hand grip strength with all-cause and cancer mortality. Study Design and Setting: data from consecutive waves from the Survey of Health ,Ageing a...
Article
The association of localized pain sensitivity in the residual limb and prosthesis use has clinical implications, however, rarely been assessed. This study aimed to investigate pain sensitivity and explore its range, variability, and association with prosthesis use alongside other demographic and clinical characteristics of veterans with transtibial...
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Introduction Police officers are frequently exposed to potentially traumatic events at work that increases risk of developing mental health problems, in particular post-traumatic stress disorder (PTSD). Individual and organisational factors may influence the detrimental effects of cumulative exposure to traumatic events. Occupational stress and lac...
Article
Objectives: To investigate and characterize the influence of sex, age, muscle strength, and cardiovascular fitness on manual lifting patterns using exposure variation analysis (EVA) during a full working day among blue-collar workers. Methods: Muscular activity (surface electromyography [sEMG]) of the thigh, low-back, and shoulder was measured t...
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Background: Aging increases the risk of chronic diseases, which can challenge the ability to work and thereby push senior workers out of the labour market. This study investigates the association between non-communicable diseases (NCDs) and work ability among workers ≥50 years (senior workers) with physically demanding and sedentary work, respecti...
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Objective To evaluate the effects of online-supervised versus workplace corrective exercises on neck–shoulder pain (NSP), sick leave, posture, workability, and muscular activity among office workers with the upper crossed syndrome (UCS). Methods We performed a parallel-group randomized control trial at Shahid Beheshti University, Tehran, Iran, ass...
Article
Aims To estimate temporal and updated trends of OPA among Spanish adult population during the period between 1987 and 2017. Methods We used all available rounds of the Spanish National Health Survey (160,509 adults, mean age 44.6 years [SD 16.6], 50.3% women) and multivariate regressions to determine temporal trends of high OPA from 1987 to 2017 i...
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Background: High physical exertion during healthcare work is a documented risk factor for musculoskeletal pain, long term sickness absence and disability pension. Understanding the underlying factors of physical exertion is important to make the necessary preventive efforts in the working environment. Objective: This study investigates factors a...
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High physical work demands increase the risk of musculoskeletal disorders and sickness absence. Supermarket work involves a high amount of manual material handling. Identifying specific ergonomic risk factors is an important part of occupational health and safety efforts in the supermarket sector. In this cross-sectional field study among 64 superm...
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This study assesses the potential of workplace-based micro-exercise (brief and simple exercise bouts) to prevent long-term sickness absence (LTSA) at the population level. In the Work Environment and Health in Denmark Study (2012–2018), we followed 70,130 workers from the general working population, without prior LTSA, for two years in the Danish R...
Preprint
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Objective To evaluate the effects of online-supervised versus workplace corrective exercises on neck-shoulder pain (NSP), sick-leave, postural angles, workability, and electromyography (EMG) of interest muscles among the o ce workers with the upper crossed syndrome (UCS). Methods We performed a parallel-group randomized control trial at Shahid Behe...
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Multiple studies have reported high prevalence of musculoskeletal disorders among supermarket workers. Technical field measurements can provide important knowledge about ergonomic risk factors for musculoskeletal disorders in the physical working environment, but these measurements are lacking in the supermarket sector. Therefore, using wearable el...
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Bláfoss, R, Rikardo, J, Andersen, AØ, Hvid, LG, Andersen, LL, Jensen, K, Christensen, PM, Kvorning, T, and Aagaard, P. Effects of resistance training cessation on cycling performance in well-trained cyclists: an exploratory study. J Strength Cond Res 36(3): 796-804, 2022-Supplementary (i.e., concurrent) resistance training can enhance cycling perfo...
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Background and objective Musculoskeletal disorders (MSDs) including upper crossed syndrome (UCS) are considered as the leading cause of work-related issues worldwide among office workers. Therefore, the present study aims to evaluate the effect of workplace-based versus online-supervised home-based corrective exercises among office workers with UCS...
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Background: Chronic low-grade inflammation has been suggested as one of the key elements in the development of sarcopenia, but in contrast to disease-related loss of muscle mass, the role of chronic low-grade inflammation in age-related (primary) sarcopenia is still not clear. The aim of this study was to investigate low-grade inflammation in rela...
Article
Background: While the psychosocial work environment within the hospital sector is a topic of great debate, surveys assessing stress often do not differentiate between stress related to work- and private life. Identifying risk factors associated with these domains of daily life would help improve policies as well as target relevant treatment option...
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Purpose No reference material exists on the scope of long-term problems in novel spinal pain opioid users. In this study, we evaluate the prevalence and long-term use of prescribed opioids in patients of the Spinal Pain Opioid Cohort. Methods The setting was an outpatient healthcare entity (Spine Center). Prospective variables include demographics...
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Musculoskeletal models may enhance our understanding of the dynamic loading of the joints during manual material handling. This study used state-of-the-art musculoskeletal models to determine the effects of load mass, asymmetry angle, horizontal location and deposit height on the dynamic loading of the knees, shoulders and lumbar spine during lifti...
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Background: This study investigates the role of physical work demands and psychosocial work factors for early retirement among older workers. Methods: Data from three Danish surveys on work environment and health among employed older workers (age 55-59) were merged with a national register containing information on labour market participation. R...
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Background Musculoskeletal pain is a risk factor for leaving the labour market temporarily and permanently. While the presence of multi-site pain increases the risk of disability pension, we lack detailed knowledge about pain intensity as a risk factor. This study investigated the association between musculoskeletal pain intensity in different body...
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Engaging occupational safety and health (OSH) professionals has scarcely been evaluated as a means for transferring knowledge to practice about physical workload in the construction industry. The aim of this work was to examine how participants used and incorporate research-based knowledge from a three-day training course into practice. Twenty OSH...
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Background: Hamstring injuries remain a major burden in football while the effective prevention exercise the Nordic Hamstring is poorly adopted, despite the added positive effects on performance. Better understanding of hamstring function during Nordic Hamstring compared to other exercises may provide better insight to the physiological adaptation...
Article
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Background: Poor psychosocial work conditions are known to foster negative health consequences. While the existing literature on this topic focus mainly on white-collar workers, the influence of different aspects of the psychosocial work environment in physically demanding jobs remain understudied. Likewise, senior workers represent a population o...
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Long periods of free-movement restrictions may negatively affect cardiorespiratory fitness and health. The present study investigated changes after the COVID-19 confinement in maximal oxygen intake (VO2 max) levels in a sample of 89 Spanish school children aged 12 and 14 years at baseline (49.8% girls). The 20-m shuttle run test served to estimate...
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A Correction to this paper has been published: https://doi.org/https://doi.org/10.1007/s00431-021-04107-x
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Lifestyle factors such as smoking, sedentarism, low physical activity levels, and overweight are associated with poor health, and they can potentially influence work ability. However, it remains unknown which lifestyle habits are associated with work ability among physical therapists (PTs). The aim of this study was to examine the associations betw...
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Background: low-moderate intensity strength training to failure increases strength and muscle hypertrophy in healthy people. However, no study assessed the safety and neuromuscular response of training to failure in people with severe haemophilia (PWH). The purpose of the study was to analyse neuromuscular responses, fear of movement, and possible...
Article
Background: Vibration exercise has been investigated to enhance muscle activation, however, the effect of different amplitude vibratory exercises on cardiovascular stress is less understood. Objective: Our study aims to explore the acute effect of shoulder vibratory exercises with different postures and amplitudes on the cardiovascular response...
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Objective This study investigates the role of age for the prospective association between physical work demands and long-term sickness absence (LTSA). Methods We followed 69 117 employees of the general working population (Work Environment and Health in Denmark study 2012–2018), without LTSA during the past 52 weeks preceding initial interview, fo...
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Purpose To identify modifiable biomechanical and neuromuscular anterior cruciate ligament (ACL) injury risk factors for first-time ACL injury in adolescent female elite football and team handball players. Methods Adolescent female elite football and handball players with no previous ACL injury participated in the present study. At baseline, player...
Article
Background High workload seems to increase the risk of patient-initiated workplace violence (patient-initiated violence). However, the temporal association between workload and violence remains uncertain. Understanding the interplay of factors in the psychosocial working environment and patient-initiated violence is important to future preventive i...
Preprint
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Purpose: To evaluate neuromuscular, acute symptoms and cardiorespiratory responses during progressive elastic resistance training in patients with chronic obstructive pulmonary disease (COPD). Methods: 14 patients diagnosed with moderate-very severe COPD performed knee extensions at different elastic resistance levels. Normalized Root Mean Square (...
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Background: Due to demographic changes, the need to prolong working life has become increasingly salient. Paradoxically, stereotyping and discrimination against workers based on their age can limit possibilities for a long working life. A large body of research has investigated attitudes towards older workers; however, less is known about differen...
Preprint
Full-text available
Background and Objective Musculoskeletal disorders (MSDs) including upper crossed syndrome (UCS) are considered as the leading cause of work-related issues worldwide among office workers. Therefore, the present study aims to evaluate the effect of workplace-based versus online-supervised home-based corrective exercises among office workers with UCS...
Article
Full-text available
Purpose Many older workers are working despite having neck-shoulder pain (NSP), which may give rise to work limitations due to pain, especially among those with high physical work demands. This study investigated the joint association of neck-shoulder pain intensity and physical work demands with work limitations among older workers. Methods In Se...
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Work-related musculoskeletal disorders are highly prevalent in the supermarket sector with manual material handling being one of the most commonly identified occupational risk factors. This cross-sectional study applied inertial motion capture and electromyography (EMG) to measure full-body kinematics and muscle activity of trapezius descendens and...
Article
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Manual material handling is common in supermarkets and may be a contributing factor to the high prevalence of work-related musculoskeletal disorders, particularly to the lower back. This cross-sectional study applied state-of-the-art musculoskeletal models driven by kinematic data obtained in two supermarkets to estimate joint reaction forces in th...
Article
Many healthcare workers in eldercare are pushed out of the labor market before the official retirement age due to poor health. Identification of early warnings signs is important to avoid complete loss of work ability. The aim of this study was to investigate to what degree sickness absence and presenteeism increase future risk for disability pensi...
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Knee osteoarthritis is a chronic joint disease which damages articular cartilage. In its severe stages, it results in impairments in balance and muscle strength loss, which affect daily life activities such as walking or climbing stairs. This study sought to investigate associated factors with stair-climbing ability in this population, with special...
Article
Introduction The prevalence of leisure-time physical activity has increased in recent decades, but values differ significantly among countries. Owing to the improvement of living standards, a higher frequency of leisure-time physical activity is expected in Western countries such as Spain, but there is a lack of research involving large, representa...
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Objective: This study aimed to investigate the importance of combined ergonomic exposures at work for the development of musculoskeletal pain. Methods: Through four rounds (2012-2018) of the Work Environment and Health in Denmark Study, 18 905 employees of the general working population replied to a baseline and 2-year follow-up questionnaire. F...
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Muscle strength assessment is fundamental to track the progress of performance and prescribe correct exercise intensity. In field settings, simple tests are preferred. This study develops equations to estimate maximal muscle strength in upper- and lower-extremity muscles based on submaximal elastic resistance tests. Healthy adults (n = 26) performe...
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Purpose: We aimed to investigate the influence of wearing a ballistic vest on physical performance in police officers. Methods: We performed a cross-over study to investigate the influence of wearing a ballistic vest on reaction and response time, lumbar muscle endurance and police vehicle entry and exit times. Reaction and response time was bas...
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Objectives To evaluate whether safety climate items would be predictive of future physical and mental work ability among blue-collar workers. Methods Blue-collar workers (n=3822) from the Danish Work Environment and Health study replied to questions on safety climate, physical and mental work ability, and health in 2012 and 2014. Using multivariat...
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Introduction Maintaining good health with advancing age is increasingly important as most European countries experience an increase in retirement age. In order to decrease the risk of premature departure from the workforce, identifying groups at increased risk of musculoskeletal pain and psychosocial stress is essential in designing workplace polic...
Article
Purpose: This study aimed to examine the association between leisure-time physical activity (PA) and risk of long-term sickness absence (LTSA). Design: Data on LTSA (≥3 consecutive weeks during a 1-year follow-up) were acquired from the Danish Register for Evaluation of Marginalization and linked to a questionnaire via personal identification numb...
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The Work Ability Index (WAI) is a validated and widely used tool in occupational research. However, normative values for physical therapists (PTs) by age and sex are lacking. Although the nature of PTs' work is physically demanding, it is unknown whether muscular fitness is associated with their WAI. This study sought to provide reference WAI data...
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Footballers with weak hip adductors are at increased risk of groin injury and adductor strengthening has been shown to reduce this risk. However, the minimal effective dose of strength training to improve hip‐adductor strength and mitigate the risk of adductor problems remains unknown. The aim of this randomised controlled trial was to investigate...
Article
Abstract Objective Pilates training has several well-known benefits for people with Multiple Sclerosis (MS). However, its effect on functional balance is unclear. The present study aimed to evaluate the effect of pilates exercises on the functional balance of male patients with MS. Method In the present parallel group randomized controlled trial,...
Article
Objective While powerlifting is a popular sport, there may be some safety concerns due to the repeated high loads. This literature review focuses on injury rates, areas of injury and biomechanical movement analysis. Method “Powerlifting” and “injury” were used in the most relevant databases. Inclusion and exclusion criteria were applied and 11 stu...
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Background Evidence-based guidelines recommend exercise-therapy as first line treatment for subacromial pain syndrome, but no previous study has mapped the content of care for subacromial pain syndrome and knowledge about adherence to clinical guidelines are lacking. We aim to describe the content and outcome of current care and investigate the rel...
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Background Carpal tunnel syndrome (CTS) is a common cause of pain, numbness and tingling in the wrist and hand region and is associated with repetitive wrist and hand use in office workers. However, scarce knowledge exists about the epidemiology of clinically confirmed CTS among Chinese office workers. This study aimed to investigate the prevalence...
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Objectives Physically demanding work increases the risk of developing musculoskeletal disorders during working life, with low back pain (LBP) as the most prevalent and debilitating musculoskeletal disorder worldwide. However, a lack of knowledge exists about the role of early working years on musculoskeletal health later in life. This study investi...
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Purpose This systematic review investigates the effectiveness of workplace interventions to rehabilitate musculoskeletal disorders (MSDs) among employees with physically demanding work. Methods A systematic search was conducted in bibliographic databases including PubMed and Web of Science Core Collection for English articles published from 1998 to...