Probabilities Associated with Counting Average Motor Unit Firing Rates in Active Human Muscle

Canadian Journal of Applied Physiology

Volumn 23, Issue 1, 1998, Pages 87-94

  Rich, Christopher ^a   O'Brien, George L ^a   Cafarelli, Enzo ^a  

^a YORK UNIVERSITY   (Canada)

Author keywords

Human muscle; Motor unit; Probability; Rate coding; Single unit recording

Indexed keywords

ADULT; ARTICLE; HUMAN; INNERVATION; MALE; MICROELECTRODE; MOTONEURON; PHYSIOLOGY; POISSON DISTRIBUTION; PROBABILITY; SKELETAL MUSCLE;

ADULT; HUMANS; MALE; MICROELECTRODES; MOTOR NEURONS; MUSCLE, SKELETAL; POISSON DISTRIBUTION; PROBABILITY;

EID: 0031989713     PISSN: 10667814     EISSN: None     Source Type: Journal    
DOI: 10.1139/h98-006     Document Type: Article

References (20)

1. Bellemare, F., Woods, J. J., Johansson, R., and Bigland-Ritchie, B. (1983). Motor-unit discharge rates in maximal voluntary contractions of three human muscles. J. Neurophysiol. 50: 1380-1392.
2. Bigland-Ritchie, B., Dawson, N. K., Johansson, R., and Lippold, O. C. J. (1986). Reflex origin for the slowing of motoneuron firing rates in fatigue of human maximal voluntary contractions. J. Physiol. Lond. 379: 451-459.
3. Bodine-Fowler S, Garfinkel, A., Roy, R., and Edgerton, R. (1990). Spatial distribution of muscle fibers within the territory of the motor unit. Muscle and Nerve. 13: 1133-1145.
4. Buchthal F., Erminio, F., and Rosenfalck, P. (1959). Motor unit territory in different human muscles. Acta Physiol. Scand. 45: 72-87.
5. Burke, R. E. (1981). Motor units: anatomy, physiology, and functional organization. In: Handbook of Physiology. The Nervous System vol. 2, pp. 345-422. Bethesda, MD: American. Physiological Society.
6. Duchateau, J., and Hainaut, K. (1990). Effects of immobilization on contractile properties, recruitment and firing rates of human motor units. J. Physiol. 422: 55-65.
7. Feller, W. (1968). An Introduction to Probability Theory and Its Applications vol. 1, 3rd edition. New York: Wiley.
8. Feinstein, B., Lindegard, B., Nymen, E., and Wahlfort, G. (1995). Morphological studies of motor units in normal human muscles. Acta Anatomica 23:127-142.
9. Galea, V., De Bruin, H., Cavasin, R., and McComas, A. J. (1991). The numbers and relative sizes of motor units estimated by computer. Muscle and Nerve 14: 1123-1130.
10. Gath, I., and Shenhav, R. (1985). Probabilistic model of the spatial distribution of muscle fibres in human muscles. Biol. Cybern. 53: 73-78.
11. Hennemman, E., Somjen, G., and Carpenter, D. O. (1965). Functional significance of cell size in spinal motoneurons. J. Neurophysiol. 28: 560-580.
12. Lexell, J., and Downham, D. (1991). The occurrence of fibre-type grouping in healthy human muscle: a quantitative study of cross sections of whole vastus lateralis from men between 15 and 83 years. Acta Neuropathologica 81: 377-381.
13. Lexell, J., Henriksson-Larson, R., and Sjostrom, M. (1983). Distribution of different fibre types in human skeletal muscles. Acta Physiol. Scand. 117: 115-122.
14. Loeb, G. E., and Gans, C. (1986). Electromyography for Experimentalists. Chicago: University of Chicago Press.
15. Milner-Brown, H. S., Stein, R. B., and Yemm, R. (1973). Changes in firing rate of human motor units during linearly changing voluntary contractions. J. Physiol. 230: 371-390.
16. Monster, W., and Chan, H. (1977). Isometric force production by motor units of extensor digitorum communis muscle in man. J. Neurophysiol. 40: 1432-1443.
17. Narici, M. V., Roi, G. S., Landoni, L. A., Minetti, E., and Cerretelli, P. (1989). Changes in force, cross sectional area and neural activation during strength training and detraining of the human quadriceps. Eur. J. Appl. Physiol. 59: 310-319.
18. Stalberg, E., Schwartz, M., Thiele, B., and Schiller, H. (1979). The normal motor unit in man. J. Neurolog. Sciences 27: 291-301.
19. Tanji, J., and Kato, M. (1973). Firing rates of individual motor units in voluntary contraction of abductor digiti minimi muscle in man. Exp. Neurol. 40: 771-783
20. Woods, J. J., Furbush, F., and Bigland-Ritchie, B. (1987). Evidence for a fatigue induced reflex inhibition of motoneuron firing rates. J. Neurophysiol. 58: 125-137.