Optimum Tool Handle Diameter for a Cylinder Grip

The ideal diameter for a tool handle for males and females has been determined using an existing biomechanical model of the hand validated in previous works. The model estimates a 33-mm optimum diameter tool handle for the general population (males and females). When the optimum diameter for a tool...

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Published in:Journal of hand therapy 2003-10, Vol.16 (4), p.337-342
Main Authors: Sancho-Bru, Joaquı́n L, Giurintano, D.J, Pérez-González, A, Vergara, M
Format: Article
Language:English
Subjects:
Biomechanical Phenomena
Biomechanics
Ergonomics
Female
Females
Fingers - physiology
Hand Strength - physiology
Humans
Male
Males
Mathematical models
Models, Biological
Models, Theoretical
Muscle, Skeletal - physiology
Posture
Posture - physiology
Sex Characteristics
Trauma
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cited_by cdi_FETCH-LOGICAL-c303t-d1337479e5c3283d74ca77d152bea76ea0ed7e92cdd891bd7be5b8409b19d3813
cites cdi_FETCH-LOGICAL-c303t-d1337479e5c3283d74ca77d152bea76ea0ed7e92cdd891bd7be5b8409b19d3813
container_end_page 342
container_issue 4
container_start_page 337
container_title Journal of hand therapy
container_volume 16
creator Sancho-Bru, Joaquı́n L
Giurintano, D.J
Pérez-González, A
Vergara, M
description The ideal diameter for a tool handle for males and females has been determined using an existing biomechanical model of the hand validated in previous works. The model estimates a 33-mm optimum diameter tool handle for the general population (males and females). When the optimum diameter for a tool handle is selected, the muscles exert the minimum force needed to hold the tool and perform gripping activities. Optimal handle design reduces the force required for gripping a tool, protects the underlying joint structures, and reduces the risk of developing cumulative trauma associated with repetitive task requiring high grip forces and awkward postures. This article provides a design parameter for optimal tool diameter to aid the therapist in the selection of assistive devices, built-up handles, or for the fabrication of a tool handle.
doi_str_mv 10.1197/S0894-1130(03)00160-1
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The model estimates a 33-mm optimum diameter tool handle for the general population (males and females). When the optimum diameter for a tool handle is selected, the muscles exert the minimum force needed to hold the tool and perform gripping activities. Optimal handle design reduces the force required for gripping a tool, protects the underlying joint structures, and reduces the risk of developing cumulative trauma associated with repetitive task requiring high grip forces and awkward postures. 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source ScienceDirect Journals
subjects Biomechanical Phenomena
Biomechanics
Ergonomics
Female
Females
Fingers - physiology
Hand Strength - physiology
Humans
Male
Males
Mathematical models
Models, Biological
Models, Theoretical
Muscle, Skeletal - physiology
Posture
Posture - physiology
Sex Characteristics
Trauma
title Optimum Tool Handle Diameter for a Cylinder Grip
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