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Changes in quadriceps femoris muscle perfusion following different degrees of cold-water immersion
Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, United Kingdom | College of Sports Science and Technology, Mahidol University, Salaya, Thailand.
Halmstad University, School of Business, Innovation and Sustainability, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0001-8608-4839
Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, United Kingdom.
Turku PET Centre, University of Turku, Turku University Hospital, Turku, Finland.
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2020 (English)In: Journal of applied physiology, ISSN 8750-7587, E-ISSN 1522-1601, Vol. 128, no 5, p. 1392-1401Article in journal (Refereed) Published
Abstract [en]

We examined the influence of graded cold-water immersion (CWI) on global and regional quadriceps muscle perfusion with positron emission tomography (PET) and [15O]H2O. In 30 healthy men [33 ± 8 yr; 81 ± 10 kg; 184 ± 5 cm; percentage body fat: 13 ± 5%; peak oxygen uptake (VO2peak): 47 ± 8 mL·kg-1·min-1] quadriceps perfusion, thigh and calf cutaneous vascular conductance (CVC), intestinal, muscle, and local skin temperatures, thermal comfort, mean arterial pressure, and heart rate were assessed before and after 10 min of CWI at 8°C, 15°C, or 22°C. Global quadriceps perfusion did not change beyond a clinically relevant threshold (0.75 mL·100 g·min-1) in any condition and was similar between conditions {range of differences [95% confidence interval (CI)]: 0.1 mL·100 g·min-1 (-0.9 to 1.2 mL·100 g·min-1) to 0.9 mL·100 g·min-1 (-0.2 to 1.9 mL·100 g·min-1)}. Muscle perfusion was greater in vastus intermedius (VI) compared with vastus lateralis (VL) (2.2 mL·100 g·min-1; 95% CI 1.5 to 3.0 mL·100 g·min-1) and rectus femoris (RF) (2.2 mL·100 g·min-1; 1.4 to 2.9 mL·100 g·min-1). A clinically relevant increase in VI muscle perfusion after immersion at 8°C and a decrease in RF muscle perfusion at 15°C were observed. A clinically relevant increase in perfusion was observed in VI in 8°C compared with 22°C water (2.3 mL·100 g·min-1; 1.1 to 3.5 mL·100 g·min-1). There were no clinically relevant between-condition differences in thigh CVC. Our findings suggest that CWI (8-22°C) does not reduce global quadriceps muscle perfusion to a clinically relevant extent; however, colder water increases (8°C) deep muscle perfusion and reduces (15°C) superficial muscle (RF) perfusion in the quadriceps muscle. NEW & NOTEWORTHY Using positron emission tomography, we report for the first time muscle perfusion heterogeneity in the quadriceps femoris in response to different degrees of cold-water immersion (CWI). Noxious CWI temperatures (8°C) increase perfusion in the deep quadriceps muscle, whereas superficial quadriceps muscle perfusion is reduced in cooler (15°C) water. Therefore, these data have important implications for the selection of CWI approaches used in the treatment of soft tissue injury, while also increasing our understanding of the potential mechanisms underpinning CWI. Copyright © 2020 the American Physiological Society.

Place, publisher, year, edition, pages
Rockville: American Physiological Society , 2020. Vol. 128, no 5, p. 1392-1401
Keywords [en]
Cold-water immersion, Cooling, Muscle perfusion
National Category
Sport and Fitness Sciences Physiology
Identifiers
URN: urn:nbn:se:hh:diva-43654DOI: 10.1152/JAPPLPHYSIOL.00833.2019ISI: 000536781200030Scopus ID: 2-s2.0-85084939763OAI: oai:DiVA.org:hh-43654DiVA, id: diva2:1507135
Note

Funding agency: Aspire Zone Foundation

Available from: 2020-12-07 Created: 2020-12-07 Last updated: 2022-06-07Bibliographically approved

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Heinonen, Ilkka

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