Impact of cutaneous blood flow on NIR-DCS measures of skeletal muscle blood flow index

DOI Web Site 1 Citations
  • Miles F. Bartlett
    Department of Kinesiology, The University of Texas at Arlington, Arlington, Texas
  • John D. Akins
    Department of Kinesiology, The University of Texas at Arlington, Arlington, Texas
  • Andrew P. Oneglia
    Department of Kinesiology, The University of Texas at Arlington, Arlington, Texas
  • R. Matthew Brothers
    Department of Kinesiology, The University of Texas at Arlington, Arlington, Texas
  • Dustin Wilkes
    Medical City Weatherford Dermatology Residency Program, Weatherford, Texas
  • Michael D. Nelson
    Department of Kinesiology, The University of Texas at Arlington, Arlington, Texas

Abstract

<jats:p> We used passive whole body heat stress, in combination with local intradermal botulinum toxin type A treatment, to experimentally manipulate cutaneous blood flow and investigate its impact on NIR-DCS measures of skeletal muscle BFI at rest and during exercise. Collectively, the results show that cutaneous blood flow, which was augmented in response to passive whole body heat stress, markedly affects NIR-DCS-derived BFI, such that the BFI signal becomes dominated by changes in cutaneous red blood cell flux. </jats:p>

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