Abstract: Objective To develop a non-invasive means that monitoring surface electromyography (sEMG) of abdominal muscles for bladder function. Methods SEMG of abdominal muscles from 10 healthy subjects were collected, and the parameters were analyzed in time domain and frequency domain quantificationally based on MATLAB. Results and Conclusion The sEMG of abdominal muscles are related with the process of storing and expelling urine.

Key words: surface electromyography signal, abdominal muscles, feature extraction, storing urine, expelling urine