Myoglobin desaturation with exercise intensity in human gasocnemius muscle
The present study evaluated whether intracellular partial pressure of O2 (PO2) modulates the muscle O2 uptake (VO2) as exercise intensity increased. Indirect calorimetry followed VO2, whereas nuclear magnetic resonance (NMR) monitored the high-energy phosphate levels, intracellular pH, and intracell...
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| Veröffentlicht in: | American journal of physiology. Regulatory, integrative and comparative physiology integrative and comparative physiology, 1999-07, Vol.46 (1), p.R173 |
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| container_title | American journal of physiology. Regulatory, integrative and comparative physiology |
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| creator | Mole, Paul A Chung, Youngran Tran, Tuan Khanh Sailasuta, Napapon |
| description | The present study evaluated whether intracellular partial pressure of O2 (PO2) modulates the muscle O2 uptake (VO2) as exercise intensity increased. Indirect calorimetry followed VO2, whereas nuclear magnetic resonance (NMR) monitored the high-energy phosphate levels, intracellular pH, and intracellular PO2 in the gastrocnemius muscle of four untrained subjects at rest, during plantar flexion exercise with a constant load at a repetition rate of 0.75, 0.92, and 1.17 Hz, and during postexercise recovery. |
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| identifier | ISSN: 0363-6119 |
| ispartof | American journal of physiology. Regulatory, integrative and comparative physiology, 1999-07, Vol.46 (1), p.R173 |
| issn | 0363-6119 1522-1490 |
| language | eng |
| recordid | cdi_proquest_journals_229722398 |
| source | American Physiological Society; EZB-FREE-00999 freely available EZB journals |
| subjects | Exercise Metabolism Muscular system Oxygen |
| title | Myoglobin desaturation with exercise intensity in human gasocnemius muscle |
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