By Ciba Foundation Symposium 82
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Chapter 1 Human Muscle functionality and Fatigue (pages 1–18): R. H. T. Edwards
Chapter 2 Glycolytic and Oxidative power Metabolism and Contraction features of Intact Human Muscle (pages 19–40): Eric Hultman, Hans Sjoholm, Kent Sahlln and Lars Edstrom
Chapter three Muscle Fibre Recruitment and Metabolism in lengthy Exhaustive Dynamic workout (pages 41–58): Bengt Saltin
Chapter four Relevance of Muscle Fibre kind to Fatigue briefly severe and lengthy workout in guy (pages 59–74): Jan Karlsson, Bertil Sjodin, Ira Jacobs and Peter Kaiser
Chapter five impact of Metabolic alterations on strength iteration in Skeletal Muscle in the course of Maximal workout (pages 75–88): Lars Hermansen
Chapter 6 The Glucose/Fatty Acid Cycle and actual Exhaustion (pages 89–101): E. A. Newsholme
Chapter 7 scarcity of Chemical gas as a explanation for Fatigue: experiences via Nuclear Magnetic Resonance and Bicycle Ergometry (pages 102–119): Douglas Wilkie
Chapter eight oblique and Direct Stimulation of Fatigued Human Muscle (pages 120–129): P. A. Merton, D. okay. Hill and H. B. Morton
Chapter nine EMG and Fatigue of Human Voluntary and encouraged Contractions (pages 130–156): B. Bigland?Ritchie
Chapter 10 Firing homes of unmarried Human Motor devices on Maintained Maximal Voluntary attempt (pages 157–177): Lennart Grimby, Jan Hannerz, Jorgen Borg and Bjorn Hedman
Chapter eleven Muscle Fatigue because of alterations past the Neuromuscular Junction (pages 178–196): D. A. Jones
Chapter 12 Contractile functionality and Fatigue of the respiration muscle tissues in guy (pages 197–212): J. Moxham, C. M. Wiles, D. Newham and R. H. T. Edwards
Chapter thirteen Neural force and Electromechanical changes within the Fatiguing Diaphragm (pages 213–233): C. Roussos and M. Aubier
Chapter 14 The Tremor in Fatigue (pages 234–248): Olof Lippold
Chapter 15 The Pathophysiology of Inspiratory Muscle Fatigue (pages 249–263): Peter T. Macklem, Carol Cohen, G. Zagelbaum and C. Roussos
Chapter sixteen Fatigue in Human Metabolic Myopathy (pages 264–296): C. M. Wiles, D. A. Jones and R. H. T. Edwards
Chapter 17 Chairman's Summing?Up (pages 297–301): R. H. T. Edwards
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Extra info for Ciba Foundation Symposium 82 - Human Muscle Fatigue: Physiological Mechanisms
In untrained muscle the latter have a lower oxidative potential, resulting in a lower capacity both to utilize lipids and to oxidize pyruvate. Thus, when FT units are recruited, glycogen breakdown must be faster than when ST units are involved, although the total force generated by the muscle is quite low. Some of the discrepancies just described may be attributed to the use of different exercise devices. Bicycles which are mechanically braked and have a light flywheel offer very little momentum to the exercise.
At that time the available histochemical information also indicated differences in the glycogen levels of ST and fast twitch (FT) fibres in human 1981 Human muscle fatigue: physiological mechanisms. Pitman Medical, London (Ciba Foundation symposium 82) p 41-58 41 42 SALTIN skeletal muscle (Dubowitz & Brooke 1973). The possibility then existed that at low and medium work levels ST fibres were mainly recruited, thereby explaining the moderate glycogen breakdown at these work intensities. However, more detailed quantitative determination of the glycogen content of muscle fibres revealed only very minor differences between fibre types in human skeletal muscle (Essen et a1 1975).
Muscle glycogen utilization is slightly enhanced by blocking the mobilization of free fatty acids from adipose tissue during exercise, but there is no clear-cut effect on the subject’s work capacity (Bergstrom et a1 1969). 84, indicating that the oxidation of fat was still considerable in spite of quite low levels of free fatty acids. In an MUSCLE FIBRE RECRUITMENT AND METABOLISM 47 attempt to evaluate this problem further we did an experiment in which the muscle glycogen content of one leg had been reduced by work on the previous day (Pernow & Saltin 1971).