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Mandić M, Forsgren MF, Romu T, et al. Interval-induced metabolic perturbation determines tissue fluid shifts into skeletal muscle. Physiol Rep. 2021;9(7):e14841doi: 10.14814/phy2.14841.
Mandić, M., Forsgren, M. F., Romu, T., Widholm, P., Sundblad, P., Gustafsson, T., & Rullman, E. (2021). Interval-induced metabolic perturbation determines tissue fluid shifts into skeletal muscle. Physiological reports, 9(7), e14841. https://doi.org/10.14814/phy2.14841
Mandić, Mirko, et al. "Interval-induced metabolic perturbation determines tissue fluid shifts into skeletal muscle." Physiological reports vol. 9,7 (2021): e14841. doi: https://doi.org/10.14814/phy2.14841
Mandić M, Forsgren MF, Romu T, Widholm P, Sundblad P, Gustafsson T, Rullman E. Interval-induced metabolic perturbation determines tissue fluid shifts into skeletal muscle. Physiol Rep. 2021 Apr;9(7):e14841. doi: 10.14814/phy2.14841. PMID: 33904652; PMCID: PMC8077120.
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Physiol Rep. 2021 Apr;9(7):e14841. doi: 10.14814/phy2.14841.

Interval-induced metabolic perturbation determines tissue fluid shifts into skeletal muscle.

Physiological reports

Mirko Mandić, Mikael F Forsgren, Thobias Romu, Per Widholm, Patrik Sundblad, Thomas Gustafsson, Eric Rullman

Affiliations

  1. Department of Laboratory Medicine, Division of Clinical Physiology, Karolinska Institutet, and Unit of Clinical Physiology, Karolinska University Hospital, Stockholm, Sweden.
  2. AMRA Medical AB, Linköping, Sweden.
  3. Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.
  4. Center for Medical Image Science and Visualization (CMIV), Linköping University, Linköping, Sweden.
  5. Department of Radiology, and Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden.

PMID: 33904652 PMCID: PMC8077120 DOI: 10.14814/phy2.14841

Abstract

Intense interval exercise has proven to be as effective as traditional endurance exercise in improving maximal oxygen uptake. Shared by these two exercise regimes is an acute reduction in plasma volume, which is a suggested stimulus behind exercise-induced increases in blood volume and maximal oxygen uptake. This study aimed to link exercise-induced metabolic perturbation with volume shifts into skeletal muscle tissue. Ten healthy subjects (mean age 33 ± 8 years, 5 males and 5 females) performed three 30 s all-out sprints on a cycle ergometer. Upon cessation of exercise magnetic resonance imaging,

© 2021 The Authors. Physiological Reports published by Wiley Periodicals LLC on behalf of The Physiological Society and the American Physiological Society.

Keywords: 31P-MRS; HIIT; MRI; SIT; edema; plasma volume

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