1. Andreassen, A., andRosenfalck, A. (1981): ‘Relationship of intracellular and extracellular action potentials of skeletal muscle fibers’,CRC Crit. Rev. Bioeng.,7, pp. 267–306
2. Arabadzhiev, T. I., Dimitrov, G. V., andDimitrova, N. A. (2003): ‘Simulation analysis of the ability to estimate motor unit propagation velocity non-invasively by different two-channel methods and types of electrodes’,J. Electromyogr. Kinesiol.,13, pp. 403–415
3. Basmajian, J. V., andDe Luca, C. J. (1985): ‘Muscles alive: their functions revealed by electromyography’, 5th edn (William and Wilkins, Baltimore, 1985) p. 185
4. Bigland-Ritchie, B. (1981): ‘EMG/force relations and fatigue of human voluntary contractions’,Exerc. Sports Sci. Rev.,9, pp. 75–117
5. Blinowska, A., Verroust, J., andCannet, G. (1979). ‘The determination of motor unit characteristics from the low frequency electromyographic power spectra’,Electromyogr. Clin. Neurophysiol.,19, pp. 281–290