In order to diagnose and evaluate the human spinal lesions through the paravertebral muscles, a paravertebral
muscle monitoring system based on surface EMG signals was designed. The system used surface mount electrodes
to obtain the surface myoelectric signal (sEMG) of paravertebral muscle. The signal was filtered and amplified by
the conditioning circuit. The signal was collected by the microcontroller NRF52832 and was sent to the mobile APP.
After the signal was preprocessed by the wavelet threshold denoising algorithm in APP, the time and frequency
characteristics of the sEMG signal reflecting the functional state of the muscle were extracted. The calculated
characteristic parameters was displayed in real time in the application interface. The experimental results show that
the system meets the design requirements in analog signal acquisition, digital processing of signals and calculation of
characteristic parameters. The system has certain application value.
CHEUNG J , HALBERTSMA J P K , VELDHUIZEN A G, et al. A preliminary study on electromyographic analysis of the paraspinal musculature in idiopathic scoliosis[J].Europ Spine J.2005,14(2):130-137
CHWALA W , KOZIANA A , KASPERCZYK T, et al. Electromyographic Assessment of Functional Symmetry of Paraspinal Muscles during Static Exercises in Adolescents with Idiopathic Scoliosis[J]. Biomed Res Int, 2014:1-7.