Effect of handrail shape on graspability

Dusenberry, Donald O.; Simpson, Howard; DelloRusso, Steven

doi:10.1016/j.apergo.2008.05.006

Cited by 30 publications

(17 citation statements)

References 34 publications

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“…1). While some research has concluded that a person can grasp a Type I and Type II handrail equally well (Dusenberry et al, 2009), methodological concerns with that research; such as using seated participants, unnatural grasping tasks, and inadequate statistical analyses; indicate further research is needed.…”

Section: Size and Shapementioning

confidence: 98%

The science behind codes and standards for safe walkways: Changes in level, stairways, stair handrails and slip resistance

Nemire¹,

Johnson²,

Vidal³

2016

Applied Ergonomics

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Section: Size and Shapementioning

confidence: 98%

The science behind codes and standards for safe walkways: Changes in level, stairways, stair handrails and slip resistance

Nemire¹,

Johnson²,

Vidal³

2016

Applied Ergonomics

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“…"Barrier-free" and "age-friendly" are closely related terms [8]. However, the idea of barrier-free is no longer fit for fast-changing environments, whereby the concept of universal design is gradually replacing it.…”

Section: Barrier-free Handrail Designmentioning

confidence: 99%

Development of a Universal Design-Based Guide for Handrails: An Empirical Study for Hong Kong Elderly

et al. 2018

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An important and basic strategy for facilitating the inclusion and daily life of elderly in accordance with those living in public rental housing buildings is to allow their circulation to be barrier-free and self-supported. Therefore, the provision of a handrail guide could improve their living standard. This paper develops a universal design guide for handrails focusing on the needs of elderly. Fifteen routes with mostly elderly were selected and targeted for evaluating the existing problems with handrail provision. Surveys and informal interviews with elderly, adults, and children were also conducted to further investigate their needs, their ease of existing facilities, and possible future implementation to improve their ease. From the survey results, it was found that most of the existing problems with handrail layouts exist within the community. In addition to standardizing, modifying, and suggesting the ideas on handrail design and layout, the promotion of the ideas from universal design was the emphasis on this investigation in order to make a barrier-free city into a barrier-free but universal community for a better international city. The guide focuses on the standardization of synthetization of the scope in terms of design and layout. Simultaneously, an advanced part of design also regards the improvement of technological, environmental, and self-support features to improve Hong Kong’s international friendliness with tailor-made ideas such as Elderlysteady.

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“…These studies have provided recommended ranges for each of the shape parameters independently but did not take into account the interactions of multiple‐shape parameters, thus the optimum handle shape has not been determined. Other studies have evaluated the grasping comfort of hand tools using multiple instruments of varying shapes (Dianat, Nedaei, & Mostashar Nezami, ; Dusenberry, Simpson, & DelloRusso, ; Herring, Castillejos, & Hallbeck, ; Kuijt‐Evers, Bosch, Huysmans, de Looze, & Vink, ). These researchers described the relative order of the grasping comfort of multiple samples but did not determine the optimal shape.…”

Section: Introductionmentioning

confidence: 99%

Shape optimization of screwdriver handle for improving grasping comfort of precision and power grips

Chihara

Seo

Sakamoto

2019

Hum Ftrs & Erg Mfg Svc

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Improving grasping comfort is a significant factor in enhancing the value of industrial products, as most products are handled by human hands. Our aim was to optimize hand tool shapes and maximize grasping comfort, considering multiple‐shape parameters and grasping types. A screwdriver handle was used as the reference tool for this case study. The measurements of handle length, end diameter, and middle diameter were utilized as the shape parameters of the handle. Twelve participants were included in this study. We measured the participants' subjective perceptions of comfort while grasping the precision and power grips during screw‐driving and screw‐tightening tasks, respectively. The design of the screwdriver handle was formulated as a bi‐objective optimization problem with respect to the grasping comfort of the precision and power grips. A Pareto frontier was determined by optimizing the formulated problem. Well‐balanced and optimal shapes for the precision and power grips were identified.

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Effect of handrail shape on graspability

Cited by 30 publications

References 34 publications

The science behind codes and standards for safe walkways: Changes in level, stairways, stair handrails and slip resistance

The science behind codes and standards for safe walkways: Changes in level, stairways, stair handrails and slip resistance

Development of a Universal Design-Based Guide for Handrails: An Empirical Study for Hong Kong Elderly

Shape optimization of screwdriver handle for improving grasping comfort of precision and power grips

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