Quantitative Measurement of Stressful Trunk Postures in Nursing Professions

doi:10.1093/annhyg/mem018

Cited by 50 publications

(24 citation statements)

References 26 publications

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“…The system has been used for several years in various studies to assess physical stress in numerous occupations and settings (e.g. Ellegast et al 2009; Freitag et al 2007, 2012; Glitsch et al 2007). The system consists of gyroscopes, inclinometers, and potentiometers that are integrated in a belt system to be fixed on a person’s clothing (Fig.…”

Section: Methodsmentioning

confidence: 99%

Occupational kneeling and squatting: development and validation of an assessment method combining measurements and diaries

Ditchen

Ellegast

Gawliczek

et al. 2014

Int Arch Occup Environ Health

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ObjectivesAs knee-straining postures such as kneeling and squatting are known to be risk factors for knee disorders, there is a need for effective exposure assessment at the workplace. Therefore, the aim of this study was to develop a method to capture knee-straining postures for entire work shifts by combining measurement techniques with the information obtained from diaries, and thus avoiding measuring entire work shifts. This approach was applied to various occupational tasks to obtain an overview of typical exposure values in current specific occupations.MethodsThe analyses were carried out in the field using an ambulatory measuring system (CUELA) to assess posture combined with one-day self-reported occupational diaries describing the durations of various work tasks. In total, 242 work shifts were measured, representing 81 typical tasks from 16 professions. Knee-straining postures were analysed as daily time intervals for five different postures. The accuracy of the method was examined by comparing the results to measurements of entire work shifts.ResultsUnsupported kneeling was the most widely used knee posture in our sample (median 11.4 % per work shift), followed by supported kneeling (3.0 %), sitting on heels (1.1 %), squatting (0.7 %), and crawling (0.0 %). The daily time spent in knee-straining postures varied considerably, both between the individual occupations, within an occupation (e.g. parquet layers: 0.0–88.9 %), and to some extent even within a single task (e.g. preparation work of floor layers (22.0 ± 23.0 %). The applied measuring method for obtaining daily exposure to the knee has been proven valid and efficient randomly compared with whole-shift measurements (p = 0.27).ConclusionsThe daily degree of postural exposure to the knee showed a huge variation within the analysed job categories and seemed to be dependent on the particular tasks performed. The results of this study may help to develop an exposure matrix with respect to occupational knee-straining postures. The tested combination of task-based measurement and diary information may be a promising option for providing a cost-effective assessment tool.

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Section: Methodsmentioning

confidence: 99%

Occupational kneeling and squatting: development and validation of an assessment method combining measurements and diaries

Ditchen

Ellegast

Gawliczek

et al. 2014

Int Arch Occup Environ Health

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“…The provision of constant exposure tracking system, 26 the Lumbar Motion Monitor (BioDynamic Solutions, Inc, Columbus, OH), 24,25,28 and computerassisted recording and long-term analysis of musculoskeletal load measurement 14 are all relatively complex and cumbersome and achieve measurement accuracy at the expense of reduced portability and simplicity.…”

Section: T T Conclusionmentioning

confidence: 99%

The Effectiveness of a Lumbopelvic Monitor and Feedback Device to Change Postural Behavior: A Feasibility Randomized Controlled Trial

Ribeiro

Sole²,

Abbott³

et al. 2014

J Orthop Sports Phys Ther

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“…The kinematic analysis with the CUELA system has already been used successfully in several studies [28–30], including dentists and orthodontists [22, 31]. So far, however, only the joint angles of the performed activities have been analyzed in comparison to ergonomic layouts.…”

Section: Introductionmentioning

confidence: 99%

Constrained posture in dentistry – a kinematic analysis of dentists

Ohlendorf

Erbe

Nowak

et al. 2017

BMC Musculoskelet Disord

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BackgroundHow a dentist works, such as the patterns of movements performed daily, is also largely affected by the workstation Dental tasks are often executed in awkward body positions, thereby causing a very high degree of strain on the corresponding muscles. The objective of this study is to detect those dental tasks, during which awkward postures occur most frequently. The isolated analysis of static postures will examine the duration for which these postures are maintained during the corresponding dental, respectively non-dental, activities.Methods: 21 (11f/10 m) dentists (age: 40.1 ± 10.4 years) participated in this study. An average dental workday was collected for every subject. To collect kinematic data of all activities, the CUELA system was used. Parallel to the kinematic examination, a detailed computer-based task analysis was conducted. Afterwards, both data sets were synchronized based on the chronological order of the postures assumed in the trunk and the head region. All tasks performed were assigned to the categories “treatment” (I), “office” (II) and “other activities” (III). The angle values of each body region (evaluation parameter) were examined and assessed corresponding to ergonomic standards. Moreover, this study placed a particular focus on static positions, which are held statically for 4 s and longer.ResultsFor “treatment” (I), the entire head and trunk area is anteriorly tilted while the back is twisted to the right, in (II) and (III) the back is anteriorly tilted and twisted to the right (non-neutral position). Static positions in (I) last for 4–10s, static postures (approx. 60%) can be observed while in (II) and (III) in the back area static positions for more than 30 s are most common. Moreover, in (II) the back is twisted to the right for more than 60 s in 26.8%.ConclusionAwkward positions are a major part of a dentists’ work. This mainly pertains to static positions of the trunk and head in contrast to “office work.” These insights facilitate the quantitative description of the dentist profession with regard to the related physical load along with the health hazards to the musculoskeletal system. Moreover, the results allow for a selective extraction of the most unfavorable static body positions that dentists assume for each of the activities performed.

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Quantitative Measurement of Stressful Trunk Postures in Nursing Professions

Abstract: It could be shown that many stressful trunk postures are assumed in nursing work during a shift. Future preventive measures should therefore consider not only load handling but also tasks with awkward postures.

Cited by 50 publications

References 26 publications

Occupational kneeling and squatting: development and validation of an assessment method combining measurements and diaries

Occupational kneeling and squatting: development and validation of an assessment method combining measurements and diaries

The Effectiveness of a Lumbopelvic Monitor and Feedback Device to Change Postural Behavior: A Feasibility Randomized Controlled Trial

Constrained posture in dentistry – a kinematic analysis of dentists

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