1. Arsenault AB (1982) A variability study of EMG profiles in overground and treadmill walking in humans. Ph. D. Dissertation, University of Waterloo, Waterloo, Ontario, Canada
2. Bjelle A, Hagberg M, Michaelson G (1981) Occupational and individual factors in acute shoulder-neck disorders. Br J Ind Med 38: 356?363
3. Bobet J, Norman R (1982) Use of the average electromyogram in design evaluation: investigation of a whole-body task. Ergonomics 25: 1155?1163
4. Chaffin DB (1969) Physical fatigue: what it is ? how it is predicted. J Methods-Time Measurement 14: 20?28
5. Chaffin DB (1973) Localized muscle fatigue ? definition and measurement. J Occup Med 15: 346?354