Is there an increased risk of knee osteoarthritis among farmers? A population-based case?control study

Holmberg, Sara; Thelin, Anders; Thelin, Nils

doi:10.1007/s00420-004-0518-1

Cited by 59 publications

(61 citation statements)

References 23 publications

(35 reference statements)

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“…9,13,14,19,25,26,29,31,34,37,39,40,43 All three cohort studies reported significant results for men. 9,21,33 Considering the consistent results across all Fifteen studies examined the relationship between occupational physical loading tasks and knee OA in women, including two cohort studies, 9,21 nine case control studies, 13,14,25,26,29,30,32,40,44 and four cross-sectional studies. 19,39,41,42 Nine studies showed a significantly positive association between an occupational exposure and knee OA in women (OR ¼ 1.4-7.3).…”

Section: Occupational Physical Loading By Sexmentioning

confidence: 90%

“…These include two cohort studies, 21,33 five case-control studies, 11,13,37,40,44 and five cross-sectional studies. 17,18,23,28,42 Nine studies reported a positive relationship between knee OA and occupation (OR ¼ 1.4-4.7), 11,13,17,21,23,37,40,44 but only three scored high on methodological quality. 13,37,40 Many studies in this subgroup are older and have procedural flaws, such as failing to control for relevant covariates 17,21 or low participation rates.…”

Section: Occupational Groupsmentioning

confidence: 99%

“…Twenty-two articles reported results on the relationship between occupational physical loading tasks and knee OA in men only, including three cohort studies, 9,21,33 12 articles from 11 case control studies, 11,13,14,25,26,29,31,34,36,37,40,44 and seven cross-sectional studies. [17][18][19]23,28,39,43 Twenty studies found a statistically significant relationship between occupational physical loading and knee OA (OR ¼ 1.4-7.9); of these, 13 received high quality scores.…”

Section: Occupational Physical Loading By Sexmentioning

confidence: 99%

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Occupational Physical Loading Tasks and Knee Osteoarthritis: A Review of the Evidence

Ezzat¹,

2014

Physiotherapy Canada

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Purpose: To perform a systematic review with best evidence synthesis examining the literature on the relationship between occupational loading tasks and knee osteoarthritis (OA). Methods: Two databases were searched to identify articles published between 1946 and April, 2011. Eligible studies were those that (1) included adults reporting on their employment history; (2) measured individuals' exposure to work-related activities with heavy loading in the knee joint; and (3) identified presence of knee OA (determined by X-ray), cartilage defects associated with knee OA (identified by magnetic resonance imaging), or joint replacement surgery. Results: A total of 32 articles from 31 studies met the inclusion criteria. We found moderate evidence that combined heavy lifting and kneeling is a risk factor for knee OA, with odds ratios (OR) varying from 1.8 to 7.9, and limited evidence for heavy lifting (OR ¼ 1.4-7.3), kneeling (OR ¼ 1.5-6.9), stair climbing (OR ¼ 1.6-5.1), and occupational groups (OR ¼ 1.4-4.7) as risk factors. When examined by sex, moderate level evidence of knee OA was found in men; however, the evidence in women was limited. Conclusions: Further high-quality prospective studies are warranted to provide further evidence on the role of occupational loading tasks in knee OA, particularly in women.

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Section: Occupational Physical Loading By Sexmentioning

confidence: 90%

Section: Occupational Groupsmentioning

confidence: 99%

Section: Occupational Physical Loading By Sexmentioning

confidence: 99%

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Occupational Physical Loading Tasks and Knee Osteoarthritis: A Review of the Evidence

Ezzat¹,

2014

Physiotherapy Canada

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“…In particular, kneeling, heavy lifting, and workload attributed to both kneeling and heavy listing are known to increase the risk of degenerative osteoarthritis of the knee (Sandmark et al, 2000;Manninen et al, 2002;Baker et al, 2003;Rytter et al, 2009;Dahaghin et al, 2009;Klussmann et al, 2010;Lau et al, 2000;Coggen et al, 2000;Holmberg et al, 2004;Rossignol, 2004;Jensen, 2008;Amin et al, 2008;Andersen et al, 2012;Ezzat et al, 2013). In addition, Rossignol (2003) has reported that bluecollar workers have higher risk of osteoarthritis of the knee compared to white-collar workers (Rossignol, 2003).…”

Section: Effect Of Workload On Knee Osteoarthritismentioning

confidence: 99%

Effect of Workload on Musculoskeletal Degeneration

Kim¹,

Kim²,

Kang³

et al. 2014

Journal of the Ergonomics Society of Korea

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Objectiv e: The aim of this study is to investigate the effect of workload on musculoskeletal degeneration. Background:It is important that workers maintain a health body for a long time as a measure of aging workers. In order do so, it is necessary to find out if workload can effect on musculoskeletal degeneration.Method: Epidemiological studies on workload or occupation and disc degeneration, osteoarthritis of knee were identified through database and bibliography searches.Results: Epidemiological studies showed that workload certainly effect on musculoskeletal degeneration. But we couldn't know which of individual factors and occupational factors further contribute to the musculoskeletal degeneration. And we could find that studies on workload and genetic factors were very few. In addition, there was also very few studies that it was possible interaction between individual factors as obesity and occupational factors as heavy manual lifting.Conclusion: Our reviews suggest that it need to conduct study between workload and genetic factors for musculoskeletal degeneration. This further study can identify attributable risk of workload for musculoskeletal degeneration, and contribute to the measure of aging workers.Application: This paper can help to establish research plan for the measure of aging workers.

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“…Male farm workers, forestry workers and postal workers have not demonstrated an increased risk of knee osteoarthritis [14]. Previous studies have shown a correlation between the physical demands of knee bending/squatting and the development of osteoarthritis [15].…”

Section: Introductionmentioning

confidence: 99%

The comparative gait effects of select walking surfaces using kinetic and emg analyses

Slaughter¹,

Butler²,

Capozzella³

et al. 2018

Hum Mov.

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Purpose. This study investigated the EMG characteristics of muscles crossing the knee and the kinetics of the lower extremity during side-slope walking and other activities of daily living. We studied the difference in EMG data of the medial gastrocnemius and vastus lateralis muscles bilaterally and the relative rotation of the thigh to leg. Methods. Eleven outdoor workers (47.3 ± 13.9 years old) were recruited for this study. Participants walked on a 0° flat surface, 5° and 10° side-sloped surfaces, 10° inclined treadmill and ascended stairs. The EMG activity and rotation about a vertical axis during stance phase were analyzed. Results. Except for minor variations, ANOVA showed no significant difference in EMG activity between the walking surfaces, furthermore, the relative rotation of thigh-to-leg showed little or no differences between the variables. Multivariate ANOVA showed p-values between 0.1602 and 0.9943 when comparing the EMG data of all side-sloped surfaces. The relative rotation of the thigh to the leg showed p-values of 0.7837 and 0.9813 when comparing the left 0° to 10° and right 0° to 10°, respectively. Conclusions. The results of this study indirectly indicate that when considering rotation about a vertical axis and EMG activity, there is little difference in knee joint loading.

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Is there an increased risk of knee osteoarthritis among farmers? A population-based case?control study

Abstract: Work in building and construction occupations, but not in farming, was associated with an increased risk of knee osteoarthritis.

Cited by 59 publications

References 23 publications

Occupational Physical Loading Tasks and Knee Osteoarthritis: A Review of the Evidence

Occupational Physical Loading Tasks and Knee Osteoarthritis: A Review of the Evidence

Effect of Workload on Musculoskeletal Degeneration

The comparative gait effects of select walking surfaces using kinetic and emg analyses

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