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Body composition, aerobic capacity, and density of muscle capillaries in young and old men

Body composition, aerobic capacity, and density of muscle capillaries in young and old men of muscle capillaries E. EISELT, Research Institute; aerobic capacity, and density in young 5. SPRY~AROVA, and De&jartmen and old men AXD n/l. WACHTLOVA , Pediatric Faculty, Prague, C<echoslouakia J-. PGiiz~ovP;, Physical Training t of Pa tho&Aysiology PA~~ZKOVA, J.,E. EISELT, $.~~YNAROVA,AND M. WACHTLOV~;. Body com~ositior~, aerobic capacity, and density of muscle capillaries in 1971 .-In a young and old men. J. Appl. Physiol. 31(3) : 323-325. :&oup of young men (I, 20.7 years) and two subgroups of old men (&-sports activity at least 45 years, 72.4 years; &-inactive controls, 73.9 years), physique and body composition (densitometry), maximal oxygen uptake, and density of capillaries and muscle fibers from quadriceps muscle biopsies (PAS reaction) were studied. In the young (I) body height and weight, relative and absolute amount of lean body mass, maximal oxygen uptake, maximal pulse rate, and maximal oxygen pulse were significantly higher than in both subgroups of old men (&, C). The number of capillaries per square n&llimeter was the same in the young and old; the number of muscle fibers per square millimeter was significantly higher in the old. The capillary : fiber ratio was therefore significantly higher in the young, i.e., more favorable with regard to http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Physiology The American Physiological Society

Body composition, aerobic capacity, and density of muscle capillaries in young and old men

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

of muscle capillaries E. EISELT, Research Institute; aerobic capacity, and density in young 5. SPRY~AROVA, and De&jartmen and old men AXD n/l. WACHTLOVA , Pediatric Faculty, Prague, C<echoslouakia J-. PGiiz~ovP;, Physical Training t of Pa tho&Aysiology PA~~ZKOVA, J.,E. EISELT, $.~~YNAROVA,AND M. WACHTLOV~;. Body com~ositior~, aerobic capacity, and density of muscle capillaries in 1971 .-In a young and old men. J. Appl. Physiol. 31(3) : 323-325. :&oup of young men (I, 20.7 years) and two subgroups of old men (&-sports activity at least 45 years, 72.4 years; &-inactive controls, 73.9 years), physique and body composition (densitometry), maximal oxygen uptake, and density of capillaries and muscle fibers from quadriceps muscle biopsies (PAS reaction) were studied. In the young (I) body height and weight, relative and absolute amount of lean body mass, maximal oxygen uptake, maximal pulse rate, and maximal oxygen pulse were significantly higher than in both subgroups of old men (&, C). The number of capillaries per square n&llimeter was the same in the young and old; the number of muscle fibers per square millimeter was significantly higher in the old. The capillary : fiber ratio was therefore significantly higher in the young, i.e., more favorable with regard to

Journal

Journal of Applied Physiology – The American Physiological Society

Published: Sep 1, 1971

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