Summary
Cytochrome oxidase activity was measured in vastus lateralis muscle obtained by needle biopsy in 9 young men. Maximum oxygen uptakes\((\dot V_{O_2 } \max )\) were determined during treadmill running in the same men and were expressed for body weight. The slope of the regression equation for cytochrome oxidase activity and\(\dot V_{O_2 } \max /{\text{kg}}\) body weight was significantly different from zero (P<0.02,r=0.75). It is concluded that a significant correlation exists between vastus lateralis respiratory capacity and maximum O2 consumption in this group of nontrained men.
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The research reported in this paper was conducted by personnel of the Environmental Sciences Division, USAF School of Aerospace Medicine, Aerospace Medical Division, AFSC, USAF, Brooks AFB, Texas. Further reproduction is authorized to satisfy the needs of the U.S. Government.
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Booth, F.W., Narahara, K.A. Vastus lateralis cytochrome oxidase activity and its relationship to maximal oxygen consumption in man. Pflugers Arch. 349, 319–324 (1974). https://doi.org/10.1007/BF00588417
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DOI: https://doi.org/10.1007/BF00588417