{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,26]],"date-time":"2025-09-26T13:28:45Z","timestamp":1758893325751,"version":"3.37.3"},"reference-count":28,"publisher":"Wiley","license":[{"start":{"date-parts":[[2018,10,8]],"date-time":"2018-10-08T00:00:00Z","timestamp":1538956800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Bando Chemical Industries, Ltd."}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sensors"],"published-print":{"date-parts":[[2018,10,8]]},"abstract":"<jats:p>Low-back pain is a common affliction. Epidemiological analyses have reported that periodic cycles of lumbar flexion and rotation are major risk factors for low-back pain. To prevent low-back pain, a lumbar-motion monitoring device could help diagnosticians assess patients\u2019 risk for low-back pain. This study proposes such a device that uses lightweight stretchable strain sensors. Six of these strain sensors form a parallel-sensor mechanism that measures rotation angles of lumbar motion in three axes. The parallel-sensor mechanism calculates rotation angles from the lengths of the strain sensors iteratively. Experimental results reveal that the prototype device is effective for lumbar-motion measurement and significantly improves in terms of wearability over comparable devices.<\/jats:p>","DOI":"10.1155\/2018\/7480528","type":"journal-article","created":{"date-parts":[[2018,10,8]],"date-time":"2018-10-08T19:49:07Z","timestamp":1539028147000},"page":"1-7","source":"Crossref","is-referenced-by-count":11,"title":["Wearable Lumbar-Motion Monitoring Device with Stretchable Strain Sensors"],"prefix":"10.1155","volume":"2018","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8259-9317","authenticated-orcid":true,"given":"Hiroyuki","family":"Nakamoto","sequence":"first","affiliation":[{"name":"Graduate School of System Informatics, Kobe University, 1-1 Rokkodai-cho, Nada, Kobe 657-8501, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tokiya","family":"Yamaji","sequence":"additional","affiliation":[{"name":"Graduate School of System Informatics, Kobe University, 1-1 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