Prolonged sitting is a major risk factor for lumbar spine disorders,significantly affecting both physical and mental health.However,conventional clinical diagnosis primarily relies on imaging evaluations conducted aft...Prolonged sitting is a major risk factor for lumbar spine disorders,significantly affecting both physical and mental health.However,conventional clinical diagnosis primarily relies on imaging evaluations conducted after symptom onset,often missing opportunities for early intervention and allowing for disease progression.To address this,this paper presents a diagnostic method based on electromyography(EMG)using an adaptive flexible electromyography sensor(FES).The FES consists of a thermo-responsive in situ gelation hydrogel and flexible mesh electrode patch.The hydrogel undergoes a sol–gel transition at body temperature,enabling conformal skin contact and strong adhesion.As a result,the adhesion of the FES is 15 times stronger than that of conventional EMG electrodes.Consequently,the contact impedance is significantly reduced to 40 kΩ/cm^(2) at 10 Hz,and a high signal-to-noise ratio of 23.28 dB is achieved,allowing for the effective monitoring of subtle electrophysiological signals during prolonged sitting.Overall,this research provides a foundation for the early-stage diagnosis of lumbar disorders,facilitating the transition of lumbar disease management from reactive treatment to proactive prevention.展开更多
基金support from the National Natural Science Foundation of China(62204210,62471465,62125112)the Funded by Basic Research Program of Jiangsu(BK20220284,BK20243004)+3 种基金XJTLU Research Development Funding(RDF-21-01-027,RDF-24-01-037)China Postdoctoral Science Foundation(2024M762614)the Strategic Priority Research Program of the Chinese Academy of Science(Grant No.XDB0520301)the Jiangsu Department of Education Funding for the School of CHIPS at XJTLU(EFP10120240023,EFP10120240024).
文摘Prolonged sitting is a major risk factor for lumbar spine disorders,significantly affecting both physical and mental health.However,conventional clinical diagnosis primarily relies on imaging evaluations conducted after symptom onset,often missing opportunities for early intervention and allowing for disease progression.To address this,this paper presents a diagnostic method based on electromyography(EMG)using an adaptive flexible electromyography sensor(FES).The FES consists of a thermo-responsive in situ gelation hydrogel and flexible mesh electrode patch.The hydrogel undergoes a sol–gel transition at body temperature,enabling conformal skin contact and strong adhesion.As a result,the adhesion of the FES is 15 times stronger than that of conventional EMG electrodes.Consequently,the contact impedance is significantly reduced to 40 kΩ/cm^(2) at 10 Hz,and a high signal-to-noise ratio of 23.28 dB is achieved,allowing for the effective monitoring of subtle electrophysiological signals during prolonged sitting.Overall,this research provides a foundation for the early-stage diagnosis of lumbar disorders,facilitating the transition of lumbar disease management from reactive treatment to proactive prevention.
