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Effect of training on plasma enzyme levels in man

Effect of training on plasma enzyme levels in man on plasma enzyme levels in man JERRY B. CRITZ of Western Ontario, London, Ontario, Canada of Physiology, The University HUNTER, BARRY,ANDJERRYB. CRITZ. Effect of training on J. plasma enzyme levels in man. J. Appl. Physiol. 31(l): 20-23. 1971. -Twelve subjects trained (bicycle ergometer) 10 weeks at a work load producing a heart rate of 150/min, for 30 min, 3 times/week. Maximal oxygen uptake (vo 2 max), physical work capacity at a heart rate of 150/min (PWC&, and the Harvard step test (HST) were measured before and after training. Plasma was analyzed for creatine phosphokinase (PCPK), glutamic-oxalacetic transaminase (PGOT) and lactic dehydrogenase (PLDH) activity before and after the fro 2 max tests and once each week before and after a training session. Training increased 902 max , PW&, , and HST scores. Resting PLDH activity was higher after training. Before training, all three plasma enzymes were elevated after maximal exercise, and PCPK and PGOT were elevated after submaximal exercise. Training I) reduced PCPK and eliminated the PLDH responses to maximal exercise, and 2) reduced the PGOT and eliminated the PCPK responses to the same submaximal exercise load. Trained skeletal muscle has an increased availability of ATP, which may better http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Physiology The American Physiological Society

Effect of training on plasma enzyme levels in man

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Publisher
The American Physiological Society
Copyright
Copyright © 1971 the American Physiological Society
ISSN
8750-7587
eISSN
1522-1601
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Abstract

on plasma enzyme levels in man JERRY B. CRITZ of Western Ontario, London, Ontario, Canada of Physiology, The University HUNTER, BARRY,ANDJERRYB. CRITZ. Effect of training on J. plasma enzyme levels in man. J. Appl. Physiol. 31(l): 20-23. 1971. -Twelve subjects trained (bicycle ergometer) 10 weeks at a work load producing a heart rate of 150/min, for 30 min, 3 times/week. Maximal oxygen uptake (vo 2 max), physical work capacity at a heart rate of 150/min (PWC&, and the Harvard step test (HST) were measured before and after training. Plasma was analyzed for creatine phosphokinase (PCPK), glutamic-oxalacetic transaminase (PGOT) and lactic dehydrogenase (PLDH) activity before and after the fro 2 max tests and once each week before and after a training session. Training increased 902 max , PW&, , and HST scores. Resting PLDH activity was higher after training. Before training, all three plasma enzymes were elevated after maximal exercise, and PCPK and PGOT were elevated after submaximal exercise. Training I) reduced PCPK and eliminated the PLDH responses to maximal exercise, and 2) reduced the PGOT and eliminated the PCPK responses to the same submaximal exercise load. Trained skeletal muscle has an increased availability of ATP, which may better

Journal

Journal of Applied Physiology – The American Physiological Society

Published: Jul 1, 1971

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