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Updated: Jan 27, 2026

A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
Published on: April 19, 2019
[Effectiveness analysis of muscle fatigue in rehabilitation based on surface electromyogram]
Xiaoguang Liu1, Mengnan Li1, Liling Wang1
1College of Electronic and Information Engineering, Hebei University, Baoding, Hebei 071002, P.R.China;Key Laboratory of Digital Medical Engineering of Hebei Province, Baoding, Hebei 071002, P.R.China.
Abstract:
Muscle fatigue has widespread application in the field of rehabilitation medicine. The paper studies the muscle fatigue using surface electromyogram (sEMG) in the background of rehabilitation training system. The sEMG and ventilatory threshold of vastus lateralis, rectus femoris and erector spinae are collected synchronously and the electromyogram fatigue threshold (EMG FT) of different sEMG was analyzed by increasing load cycling experiments of 10 healthy subjects. This paper also analyzes the effect of isotonic and isometric contraction on EMG FT. Results showed that the appeared time of EMG FT was earlier than that of ventilatory threshold in the incremental load cycling. While the differences were subtle and EMG FT was verified to be effective. EMG FT has been proven effective for different muscle contraction by comparing the EMG FT of vastus lateralis and erector spinae. EMG FT could be used to keep muscle injuries from overtraining in the process of rehabilitation. Therefore, EMG FT has a great significance for femoral shaft fractures's fatigue monitoring in rehabilitation training.
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