Detection of Physiological Parameters in Humans during Exercise

A special issue of Sports (ISSN 2075-4663).

Deadline for manuscript submissions: closed (31 May 2020) | Viewed by 3721

Special Issue Editor


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Guest Editor
Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Byrom Street, Liverpool L3 3AF, UK
Interests: sports performance; exercise metabolism; sports nutrition; exercise training; biosensors

Special Issue Information

Dear Colleagues,

Over recent decades, technology has evolved in the professional sporting environment with ever more acceptance that meticulous attention to detail can make the difference between winning and losing. Athletic performance can also translate into many other areas where optimal human performance is not only a fundamental requirement but also a necessity. Aerospace, military, aircraft, medical, and many more personnel all need to be at peak physical and mental performance to ensure optimal results. Technology which can constantly monitor the biology of an individual in such extremely taxing situations will ensure that errors are limited, making a vital difference in the ever-advancing world. However, monitoring complex biomarkers provide a difficult challenge, often requiring invasive procedures in a clinical setting. For example, despite many efforts and continual advances in technology and research, there still isn’t an accurate, cost effective and valid method to detect skeletal muscle glycogen (i.e. an indicator of energy utilisation), blood lactate (i.e. indicator of metabolic adaptation to exercise), or hydration status, non-invasively and continuously during exercise. As such, the purpose of this special edition is to emphasise on the need for new ways of collecting and assessing biological variables (including but not limited to muscle glycogen, blood lactate, markers of hydration) during exercise and provide new directions for future research. As a matter of priority, the focus should be brought on non-invasive and real-time techniques, which could be utilised on a daily basis without altering the activity.

Dr. Julien Louis
Guest Editor

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Keywords

  • human biological markers
  • exercise
  • sport
  • sensors
  • glycogen
  • lactate
  • hydration

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Published Papers (1 paper)

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Research

10 pages, 900 KiB  
Article
The Impact of an Ice Slurry-Induced Gastrointestinal Heat Sink on Gastrointestinal and Rectal Temperatures Following Exercise
by Thomas A. Deshayes, Adrien De La Flore, Jonathan Gosselin, Jeff Beliveau, David Jeker and Eric D.B. Goulet
Sports 2019, 7(9), 198; https://doi.org/10.3390/sports7090198 - 27 Aug 2019
Cited by 8 | Viewed by 3263
Abstract
Gastrointestinal temperature (Tgint) measurement with a telemetric pill (TP) is increasingly used in exercise science. Contact of cool water with a TP invalidates Tgint assessment. However, what effect a heat sink created in the proximity of a TP may have [...] Read more.
Gastrointestinal temperature (Tgint) measurement with a telemetric pill (TP) is increasingly used in exercise science. Contact of cool water with a TP invalidates Tgint assessment. However, what effect a heat sink created in the proximity of a TP may have on the assessment of Tgint remains unknown. We examined the impact of an ice slurry-induced heat sink on Tgint and rectal temperature (Trec) following exercise. After 20 min of seating (20–22 °C, 25–40% relative humidity (RH)), 11 men completed two intersperse exercise periods (31–32 °C, 35% RH) at 75–80% of estimated maximal heart rate until a Trec increase of 1 °C above baseline level. Following the first exercise period, participants were seated for 45 min and ingested 7.5 g·kg−1 of thermoneutral water, whereas, following the second period, they ingested 7.5 g·kg−1 of ice slurry. Both Tgint and Trec were measured continuously. The TPs were swallowed 10 h prior to the experiments. A bias ≤0.27 °C was taken as an indication that Tgint and Trec provided similar core temperature indices. Mean biases and 95% limits of agreement during passive sitting, first exercise, water ingestion, second exercise, and ice slurry ingestion periods were 0.16 ± 0.53, 0.13 ± 0.41, 0.21 ± 0.70, 0.17 ± 0.50, and 0.18 ± 0.66 °C, respectively. The rates of decrease in Tgint and Trec did not differ between the water and ice slurry ingestion periods. Our results indicate that ice slurry ingestion following exercise does not impact TP-derived assessment of Tgint compared with Trec. Full article
(This article belongs to the Special Issue Detection of Physiological Parameters in Humans during Exercise)
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