{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T18:05:10Z","timestamp":1790186710994,"version":"4.1.0"},"reference-count":47,"publisher":"Public Library of Science (PLoS)","issue":"9","license":[{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000038","name":"Natural Sciences and Engineering Research Council of Canada","doi-asserted-by":"publisher","award":["CCSIF-2023-00066"],"award-info":[{"award-number":["CCSIF-2023-00066"]}],"id":[{"id":"10.13039\/501100000038","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS One"],"abstract":"<jats:sec id=\"sec001\">\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>This study examined how passive shoulder exoskeletons, body archetype, sex, and shoulder elevation influence maximal drill-weight selection during overhead tasks.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec002\">\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Twenty-nine construction workers (11 females, 18 males) completed high-frequency drilling every 12 seconds at a target force of 70 N across three shoulder elevations (90\u00b0, 120\u00b0, 150\u00b0), each performed for 5 minutes with and without a passive exoskeleton. Participant anthropometrics were captured using a 3D body scanner, and body archetypes were derived through\u00a0k cluster\u00a0analysis following variable extraction. A\u00a0Psychophysical\u00a0approach was used to determine maximal acceptable drill weight.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec003\">\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Mixed linear regression showed exoskeleton use increased selected weight by 336 g (~18%) (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001) compared to not wearing an exoskeleton. Smaller body archetypes selected 317 g (~17%) less than larger builds (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001), while medium builds showed no difference (p\u2009=\u20090.63). Males selected weights 300 g (~16%) heavier than females (p\u2009=\u20090.030). Shoulder elevation had no significant effect.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec id=\"sec004\">\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>These findings highlight key anthropometric and\u00a0equipment related\u00a0factors shaping overhead task demands.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1371\/journal.pone.0357036","type":"journal-article","created":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T17:22:41Z","timestamp":1790184161000},"page":"e0357036","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":0,"title":["Psychophysical estimates guidelines for maximal acceptable loads during unilateral overhead work while wearing an exoskeleton in construction workers"],"prefix":"10.1371","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-3524-9514","authenticated-orcid":true,"given":"Maria Cristina","family":"Herrera Valerio","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohammad","family":"Howard-Azzeh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3192-1470","authenticated-orcid":true,"given":"Marcus","family":"Yung","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amin","family":"Yazdani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2026,9,23]]},"reference":[{"key":"pone.0357036.ref001","volume-title":"Allowed lost-time claims from skilled trades occupations 2015 to 2020","author":"Workplace Safety and Insurance Board","year":"2020"},{"key":"pone.0357036.ref002","unstructured":"US Department of Health and Human Services. 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