Exercise induced muscle damage assessed by means of linear and non-linear sEMG analysis and ultrasonography. P. Sbriccoli, F. Felici, A. Rosponi, A. Aliotta, V. Castellano, C. Mazzà, M. Bernardi and M. Marchetti. Journal of Electromyography and Kinesiology,11 (2): 73-83, 2001 "Linear and non-linear analysis of sEMG in weight lifters." F. Felici, A. Rosponi, P. Sbriccoli, G. C. Filligoi, L. Fattorini, M. Marchetti. Eur J Appl Physiol, 84(4), 2001, 337-342. Effect of human exposure to altitude on muscle endurance during isometric contractions. F. Felici, A. Rosponi, P. Sbriccoli, M. Scarcia, I. Bazzucchi, M. Iannattone. Eur J Appl Physiol, 85:507-512,2001 Nonlinear surface EMG analysis to detect changes of motor unit conduction velocity and synchronization. Farina D., Fattorini L., Felici F., Filligoi G.C.. J Appl Physiol, 2002, 93: 1753-1763. Amplitude and spectral characteristics of biceps brachii sEMG depend upon speed of isometric force production. Sbriccoli P., Bazzucchi I., Rosponi A., Bernardi M., De Vito G., Felici F. J Electromyography and Kinesiology, 2003, 13: 139 - 147. Differences between young and old women in maximal force, force fluctuations and sEMG during isometric knee extension and elbow flexion. Bazzucchi I., Felici F., Macaluso A., De Vito G. Muscle and Nerve, 2004, 626 - 635. Applications in exercise Physiology. Felici F.. In: Merletti R., Parker P. ed.s "Electromyography: Physiology, Engineering and non-invasive applications" IEEE Press, Piscataway, N.J. (USA), 2004, 365 - 379. Influence of High Motor Unit Synchronization Levels on Non-Linear and Spectral Variables of the Surface EMG. Fattorini L., Felici F., Filligoi G.C., Traballesi M., Farina D. J Neurosc Meth, 2005, 143: 133. Differences in force/endurance relationship between young and older men. Bazzucchi I., Marchetti M., Rosponi A., Fattorini L., Castellano V., Sbriccoli P., Felici F. Eur J Appl Physiol, 2005, 93, 390-397. Muscle (skeletal). In: Wiley Encyclopedia of Biomedical Engineering, F. Felici., Sbriccoli P., Metin Akay Ed., Wiley and Sons Publishers. 2005. Coactivation of the elbow antagonist muscles is not affected by the speed of movement in isokinetic exercise. Bazzucchi I., Sbriccoli P., Marzattinocci G., Felici F. Muscle & Nerve, 2006, 33, 191-199. Neuromuscular responses to exercise investigated through surface EMG. Felici F., J Electromyography and Kinesiology, 2006, 16: 578 - 585. Assessment Of Maximal Cardiorespiratory Performance and Muscle Power in the Italian Olympic Judoka. Sbriccoli P, Bazzucchi I, Di Mario A, Marzattinocci G, Felici F. Journal Of Strength And Conditioning Research. 2007, 21, 106-112.