title: Inertial Sensing Based Assessment Methods to Quantify the Effectiveness of Post-Stroke Rehabilitation.
abstract: In clinical settings, traditional stroke rehabilitation evaluation methods are subjectively scored by occupational therapists, and the assessment results vary individually. To address this issue, this study aims to develop a stroke rehabilitation assessment system by using inertial measurement units. The inertial signals from the upper extremities were acquired, from which three quantitative indicators were extracted to reflect rehabilitation performance during stroke patients' movement examination, i.e., shoulder flexion. Both healthy adults and stroke patients were recruited to correlate the proposed quantitative evaluation indices and traditional rehab assessment scales. Especially, as a unique feature of the study the weight for each of three evaluation indicators was estimated by the least squares method. The quantitative results demonstrate the proposed method accurately reflects patients' recovery from pre-rehabilitation, and confirm the feasibility of applying inertial signals to evaluate rehab performance through feature extraction. The implemented assessment scheme appears to have the potential to overcome some shortcomings of traditional assessment methods and indicates rehab performance correctly.
authors.affiliation: Graduate Institute of Biomedical Engineering, National Central University, Jhongli 320, Taiwan. winterfrost1143@gmail.com.
authors.forename: Hsin-Ta
authors.initials: HT
authors.lastname: Li
authors.affiliation: Graduate Institute of Biomedical Engineering, National Central University, Jhongli 320, Taiwan. d0785208@hotmail.com.
authors.forename: Jheng-Jie
authors.initials: JJ
authors.lastname: Huang
authors.affiliation: Hsinchu Air Base, Hsinchu City 300, Taiwan. kkpan535634@gmail.com.
authors.forename: Chien-Wen
authors.initials: CW
authors.lastname: Pan
authors.affiliation: Graduate Institute of Biomedical Engineering, National Central University, Jhongli 320, Taiwan. nocilole@hotmail.com.
authors.forename: Heng-I
authors.initials: HI
authors.lastname: Chi
authors.affiliation: Graduate Institute of Biomedical Engineering, National Central University, Jhongli 320, Taiwan. pan_minc@cc.ncu.edu.tw.|Department of Mechanical Engineering, National Central University, Jhongli 320, Taiwan. pan_minc@cc.ncu.edu.tw.
authors.forename: Min-Chun
authors.initials: MC
authors.lastname: Pan
mesh_terms: D000368:Aged; D004867:Equipment Design; D006801:Humans; D008297:Male; D008991:Monitoring, Physiologic / Q000295:instrumentation* / Q000379:methods; D017063:Outcome Assessment, Health Care; D016059:Range of Motion, Articular; D000071939:Stroke Rehabilitation; D034941:Upper Extremity / Q000503:physiopathology*
keywords: inertial measurement; quantitative assessment scale; stroke rehabilitation evaluation