Interstitial K+ in human skeletal muscle during and after dynamic graded exercise determined by microdialysis

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Standard

Interstitial K+ in human skeletal muscle during and after dynamic graded exercise determined by microdialysis. / Juel, Carsten; Pilegaard, Henriette; Nielsen, Jens Jung; Bangsbo, Jens.

I: American Journal of Physiology: Regulatory, Integrative and Comparative Physiology, Bind 278, Nr. 2, 2000, s. R400-R406.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Juel, C, Pilegaard, H, Nielsen, JJ & Bangsbo, J 2000, 'Interstitial K+ in human skeletal muscle during and after dynamic graded exercise determined by microdialysis', American Journal of Physiology: Regulatory, Integrative and Comparative Physiology, bind 278, nr. 2, s. R400-R406.

APA

Juel, C., Pilegaard, H., Nielsen, J. J., & Bangsbo, J. (2000). Interstitial K+ in human skeletal muscle during and after dynamic graded exercise determined by microdialysis. American Journal of Physiology: Regulatory, Integrative and Comparative Physiology, 278(2), R400-R406.

Vancouver

Juel C, Pilegaard H, Nielsen JJ, Bangsbo J. Interstitial K+ in human skeletal muscle during and after dynamic graded exercise determined by microdialysis. American Journal of Physiology: Regulatory, Integrative and Comparative Physiology. 2000;278(2):R400-R406.

Author

Juel, Carsten ; Pilegaard, Henriette ; Nielsen, Jens Jung ; Bangsbo, Jens. / Interstitial K+ in human skeletal muscle during and after dynamic graded exercise determined by microdialysis. I: American Journal of Physiology: Regulatory, Integrative and Comparative Physiology. 2000 ; Bind 278, Nr. 2. s. R400-R406.

Bibtex

@article{b0c4c8ed91a3407cada3d8e848ec1d4f,
title = "Interstitial K+ in human skeletal muscle during and after dynamic graded exercise determined by microdialysis",
abstract = "Interstitial K+ concentrations were measured during one-legged knee- extensor exercise by use of microdialysis with probes inserted in the vastus lateralis muscle of the subjects. K+ in the dialysate was measured either by flame photometry or a K+-sensitive electrode placed in the perfusion outlet. The correction for fractional K+ recovery was based on the assumption of identical fractional thallium loss. The interstitial K+ was 4.19 ± 0.09 mM at rest and increased to 6.17 ± 0.19, 7.48 ± 1.18, and 9.04 ± 0.74 mM at 10, 30, and 50 W exercise, respectively. The individual probes demonstrated large variations in interstitial K+, and values >10 mM were obtained. The observed interstitial K+, was markedly higher than previously found for venous K+, concentrations at similar work intensities. The present data support a potential role for interstitial K+, in regulation of blood flow and development of fatigue.",
keywords = "Fatigue, Regulation of blood flow",
author = "Carsten Juel and Henriette Pilegaard and Nielsen, {Jens Jung} and Jens Bangsbo",
year = "2000",
language = "English",
volume = "278",
pages = "R400--R406",
journal = "American Journal of Physiology",
issn = "0363-6119",
publisher = "American Physiological Society",
number = "2",

}

RIS

TY - JOUR

T1 - Interstitial K+ in human skeletal muscle during and after dynamic graded exercise determined by microdialysis

AU - Juel, Carsten

AU - Pilegaard, Henriette

AU - Nielsen, Jens Jung

AU - Bangsbo, Jens

PY - 2000

Y1 - 2000

N2 - Interstitial K+ concentrations were measured during one-legged knee- extensor exercise by use of microdialysis with probes inserted in the vastus lateralis muscle of the subjects. K+ in the dialysate was measured either by flame photometry or a K+-sensitive electrode placed in the perfusion outlet. The correction for fractional K+ recovery was based on the assumption of identical fractional thallium loss. The interstitial K+ was 4.19 ± 0.09 mM at rest and increased to 6.17 ± 0.19, 7.48 ± 1.18, and 9.04 ± 0.74 mM at 10, 30, and 50 W exercise, respectively. The individual probes demonstrated large variations in interstitial K+, and values >10 mM were obtained. The observed interstitial K+, was markedly higher than previously found for venous K+, concentrations at similar work intensities. The present data support a potential role for interstitial K+, in regulation of blood flow and development of fatigue.

AB - Interstitial K+ concentrations were measured during one-legged knee- extensor exercise by use of microdialysis with probes inserted in the vastus lateralis muscle of the subjects. K+ in the dialysate was measured either by flame photometry or a K+-sensitive electrode placed in the perfusion outlet. The correction for fractional K+ recovery was based on the assumption of identical fractional thallium loss. The interstitial K+ was 4.19 ± 0.09 mM at rest and increased to 6.17 ± 0.19, 7.48 ± 1.18, and 9.04 ± 0.74 mM at 10, 30, and 50 W exercise, respectively. The individual probes demonstrated large variations in interstitial K+, and values >10 mM were obtained. The observed interstitial K+, was markedly higher than previously found for venous K+, concentrations at similar work intensities. The present data support a potential role for interstitial K+, in regulation of blood flow and development of fatigue.

KW - Fatigue

KW - Regulation of blood flow

UR - http://www.scopus.com/inward/record.url?scp=0034012317&partnerID=8YFLogxK

M3 - Journal article

C2 - 10666141

AN - SCOPUS:0034012317

VL - 278

SP - R400-R406

JO - American Journal of Physiology

JF - American Journal of Physiology

SN - 0363-6119

IS - 2

ER -

ID: 210151349