{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,2]],"date-time":"2025-03-02T06:03:04Z","timestamp":1740895384459,"version":"3.38.0"},"reference-count":58,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2024,5,7]],"date-time":"2024-05-07T00:00:00Z","timestamp":1715040000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/501100000038","name":"Natural Sciences and Engineering Research Council of Canada","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100000038","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Hum Factors"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p> To assess frontal plane motion of the pelvis and lumbar spine during 2 h of seated and standing office work and evaluate associations with transient low back pain. <\/jats:p><\/jats:sec><jats:sec><jats:title>Background<\/jats:title><jats:p> Although bending and twisting motions are cited as risk factors for low back injuries in occupational tasks, few studies have assessed frontal plane motion during sedentary exposures. <\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p> Twenty-one participants completed 2 h of seated and standing office work while pelvic obliquity, lumbar lateral bending angles, and ratings of perceived low back pain were recorded. Mean absolute angles were compared across 15-min blocks, amplitude probability distribution functions were calculated, and associations between lateral postures and low back pain were evaluated. <\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p> Mean pelvic obliquity (sit = 4.0 \u00b1 2.8\u00b0, stand = 3.5 \u00b1 1.7\u00b0) and lumbar lateral bending (sit = 4.5 \u00b1 2.5\u00b0, stand = 4.1 \u00b1 1.6\u00b0) were consistently asymmetrical. Pelvic obliquity range of motion was 4.7\u00b0 larger in standing (13.6 \u00b1 7.5\u00b0) than sitting (8.9 \u00b1 8.7\u00b0). In sitting, 52% (pelvis) and 71% (lumbar) of participants, and in standing, 71% (pelvis and lumbar) of participants, were considered asymmetric for &gt;90% of the protocol. Lateral postures displayed weak to low correlations with peak low back pain ( R \u2264 0.388). <\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p> The majority of participants displayed lateral asymmetries for the pelvis and lumbar spine within 5\u00b0 of their upright standing posture. <\/jats:p><\/jats:sec><jats:sec><jats:title>Application<\/jats:title><jats:p> In short-term sedentary exposures, associations between lateral postures and pain indicated that as the range in lateral postures increases there may be an increased possibility of pain. <\/jats:p><\/jats:sec>","DOI":"10.1177\/00187208241249423","type":"journal-article","created":{"date-parts":[[2024,5,7]],"date-time":"2024-05-07T14:20:16Z","timestamp":1715091616000},"page":"85-99","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Lateral Pelvis and Lumbar Motion in Seated and Standing Office Work and Their Association 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