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For instance, monitoring patients' progress following injury and\/or surgery during physiotherapy is crucial but rarely performed outside clinics. Herein, multifunctional liquid\u2010free ionic elastomers are designed through the volume effect and the formation of dynamic hydrogen bond networks between polyvinyl alcohol (PVA) and weak acids (phosphoric acid, phytic acid, formic acid, citric acid). An ultra\u2010stretchable (4600% strain), highly conducting (10 mS\u00a0cm<jats:sup>\u22121<\/jats:sup>), self\u2010repairable (77% of initial strain), and adhesive ionic elastomer is obtained at high loadings of phytic acid (4:1 weight to PVA). Moreover, the elastomer displayed durable performances, with intact mechanical properties after a year of storage. The elastomer is used as a transducer to monitor human motions in a device comprising an ESP32\u2010based development board. The device detected walking and\/or running biomechanics and communicated motion\u2010sensing data (i.e., amplitude, frequency) wirelessly. The reported technology can also be applied to other body parts to monitor recovery after injury and\/or surgery and inform practitioners of motion biomechanics remotely and in real time to increase convalescence effectiveness, reduce clinic appointments, and prevent injuries.<\/jats:p>","DOI":"10.1002\/marc.202400418","type":"journal-article","created":{"date-parts":[[2024,10,30]],"date-time":"2024-10-30T16:30:05Z","timestamp":1730305805000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Highly Conducting and Ultra\u2010Stretchable Wearable Ionic Liquid\u2010Free Transducer for Wireless Monitoring of Physical Motions"],"prefix":"10.1002","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-4673-8836","authenticated-orcid":false,"given":"Nicolas R.","family":"Tanguy","sequence":"first","affiliation":[{"name":"Instituto de Qu\u00edmica Universidad Nacional Aut\u00f3noma de M\u00e9xico  Ciudad de 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