Discomfort Threshold Evaluation for Hand and Elbow Regions: A Basis for Hand-Held Device Design

Liliana Di Brigida, Iolanda Fiorillo*, Alessandro Naddeo, Peter Vink

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

This study aimed to analyse the discomfort threshold (that could be linked to sensitivity or sensation) of different regions in hand and elbow to support hand-held devices' design. Indeed, there are no studies regarding the hand and elbow discomfort threshold or sensitivity. To overcome these literature gaps, the discomfort threshold of hand and elbow were recorded at 24 spots by pushing a cylinder with a diameter of 10 mm until the participants reported not to be longer comfortable. Experiments were performed with 24 participants, 13 females and 11 males. The results showed the map of discomfort threshold (or sensitivity) for the hand and elbow. The olecranon, situated at the ulna's upper (proximal) end, one of the two bones in the forearm, could withstand more pressure than the elbow area surrounding it. The fingertips and the area close to the metacarpals were most sensitive (lower discomfort threshold).

Original languageEnglish
Title of host publicationAdvances in Ergonomics in Design - Proceedings of the AHFE 2021
EditorsFrancisco Rebelo
PublisherSpringer
Pages649-657
Number of pages9
ISBN (Print)9783030797591
DOIs
Publication statusPublished - 2021
EventAHFE International Conference on Ergonomics in Design, 2021 - Virtual, Online
Duration: 25 Jul 202129 Jul 2021

Publication series

NameLecture Notes in Networks and Systems
Volume261
ISSN (Print)2367-3370
ISSN (Electronic)2367-3389

Conference

ConferenceAHFE International Conference on Ergonomics in Design, 2021
CityVirtual, Online
Period25/07/2129/07/21

Bibliographical note

Accepted Author Manuscript

Keywords

  • Discomfort
  • Human centred design
  • Localized contact
  • Pressure
  • Upper limbs

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