An alternative method for estimating muscle fatigue compared with continuous wavelet transform methodTuulik, Viiu; Ferenets, Rain; Lass, Jaanus; Helemäe, Jana; Vaht, MaiProceedings of 2nd European Medical & Biological Engineering Conference EMBEC'02. 12002 / p. 396-397 Recruitment gradation in SEMG as a basis for testing the fatigability of the musclesHelemäe, Jana; Tuulik, Viiu; Lass, Jaanus2001 Conference Proceedings of the 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society : 25-28 October 2001, Istanbul, Turkey. Vol. 22001 / p. 1090-1092 : ill Registration and analysis of surface electromyogramsHelemäe, Jana; Ferenets, Rain; Tuulik, ViiuProceedings of the 4th International Conference Measurement, Smolenice, Slovak Republic, 20032003 / p. 246-247 The new methods for the analyzing of surface EMG signalsTuulik, Viiu; Ferenets, Rain; Lass, Jaanus; Helemäe, Jana78th ICB Seminar : Warszaw, Poland, 20042004 / [7] p