Carnitine metabolism during prolonged exercise and recovery in humans

J. I. Carlin , W. G. Reddan , M. Sanjak , and R. Hodach

$J. I. CARLIN, W. G. REDDAN, M. SANJAK, AND R. HODACH Departments of Preventive Medicine and Neurology, University of Wisconsin Medical School, Madison, Wisconsin 53706 CARLIN, J.I.,W. GREDDAN, M. SANJAK,AND R. FIODACH. and recovery in humans. J. Appl. Physiol. 61(4): 1275-1278, 1986.-Lennon et al. (J. Appl. Physiol. 55: 489-495, 1983) have recently reported a large loss of muscle total (TC) after 40 min of moderate . These authors have also suggested that elevations in plasma esterified (EC) were due to the release of these esters from muscle . After 10 male subjects underwent 90 min of cycle egometry we found no alteration in muscle TC from pre values. Plasma EC progressively increased above resting values and remained elevated above rest at 0.75 and 1.5 h into recovery. Elevations of plasma EC were largely due to a decrement in free (FC) in both conditions. Immediately post the urinary fractional reabsorbsion of EC and FC were similar to that at rest. These results suggest that a net loss of TC from exercising muscle does not occur. As in other conditions marked by falling insulin concentrations, elevations in plasma EC could result from an exchange of with the hepatic pool. muscle$

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Carnitine metabolism during prolonged exercise and recovery in humans

J. I. Carlin , W. G. Reddan , M. Sanjak , and R. Hodach

Follow Journal of Applied Physiology , Volume 61: 1275 The American Physiological Society – Oct 1, 1986

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Carnitine metabolism during prolonged exercise and recovery in humans

J. I. Carlin , W. G. Reddan , M. Sanjak , and R. Hodach

Follow Journal of Applied Physiology , Volume 61: 1275 The American Physiological Society – Oct 1, 1986

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