Gandhari Basu, Dipanjan Nandi, Sujata Biswas, Suman Kumar Roy
Quality of life and depression among diabetic patients attending the lifestyle clinic of a teaching hospital, West Bengal
Journal of family medicine and primary care
study compares biomechanical bioelectric electromyography emg normalization techniques across disparate age cohorts walking assess impact normalization methods functional interpretation emg data biomechanical method involved scaling emg target absolute torque emgts jointspecific task chosen bioelectric methods peak mean normalization taken emg signal gait referred dynamic mean dynamic peak normalization emgmean emgpeak effects normalization emg amplitude activation pattern intersubject variability compared disparate cohorts including old 766 yrs n 12 young 266 yrs n 12 five lowerlimb muscles emgpeak normalization resulted differences young old cohorts biceps femoris bf medial gastrocnemius mg observed emgmean emgts normalization emgpeak emgmean normalization also demonstrated interactions age phase gait bf seen emgts correlations showed activation patterns across gait cycle similar methods age groups coefficient variation comparisons found emgts produced greatest intersubject variability shown normalization technique influence interpretation findings comparing disparate populations highlighting need carefully interpret functional differences emg disparate cohorts