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Physiological and selective attention demands during an international rally motor sport event.

Turner AP, Richards H - Biomed Res Int (2015)

Bottom Line: In ambient temperatures of 20.1°C (in-car peak 33.9°C) mean (SD) peak HR and T core were significantly elevated (P < 0.05) during rally compared to reconnaissance (166 (17) versus 111 (16) beats · min(-1) and 38.5 (0.4) versus 37.6 (0.2)°C, resp.).Environmental and physical demands during rally competition produced significant physiological responses.Challenges to thermoregulation, hydration status, and cognitive function need to be addressed to minimise potentially negative effects on performance and safety.

View Article: PubMed Central - PubMed

Affiliation: Institute for Sport, PE & Health Sciences, University of Edinburgh, Edinburgh EH8 8AQ, UK.

ABSTRACT

Purpose: To monitor physiological and attention responses of drivers and codrivers during a World Rally Championship (WRC) event.

Methods: Observational data were collected from ten male drivers/codrivers on heart rate (HR), core body (T core) and skin temperature (T sk), hydration status (urine osmolality), fluid intake (self-report), and visual and auditory selective attention (performance tests). Measures were taken pre-, mid-, and postcompetition day and also during the precompetition reconnaissance.

Results: In ambient temperatures of 20.1°C (in-car peak 33.9°C) mean (SD) peak HR and T core were significantly elevated (P < 0.05) during rally compared to reconnaissance (166 (17) versus 111 (16) beats · min(-1) and 38.5 (0.4) versus 37.6 (0.2)°C, resp.). Values during competitive stages were substantially higher in drivers. High urine osmolality was indicated in some drivers within competition. Attention was maintained during the event but was significantly lower prerally, though with considerable individual variation.

Conclusions: Environmental and physical demands during rally competition produced significant physiological responses. Challenges to thermoregulation, hydration status, and cognitive function need to be addressed to minimise potentially negative effects on performance and safety.

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An example profile of heart rate (a) and core body temperature (b) for a representative driver during a single day of rally competition, with the six competitive special stages clearly visible in both profiles.
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fig1: An example profile of heart rate (a) and core body temperature (b) for a representative driver during a single day of rally competition, with the six competitive special stages clearly visible in both profiles.

Mentions: Average and peak HR and Tcore were significantly higher during the rally than the reconnaissance (P = 0.012 to 0.018, r = 0.59 to 0.63), with drivers higher than codrivers during the rally but not the reconnaissance (Table 1). The 6 special stages elicited the highest responses in all drivers (Figure 1). Considerable intra- and interindividual variation occurred for Tsk, with peak and average reconnaissance values significantly higher than rally (P = 0.012 and 0.017, r = 0.63 and 0.6, resp.) with little evidence of consistent differences between drivers and codrivers (Table 1).


Physiological and selective attention demands during an international rally motor sport event.

Turner AP, Richards H - Biomed Res Int (2015)

An example profile of heart rate (a) and core body temperature (b) for a representative driver during a single day of rally competition, with the six competitive special stages clearly visible in both profiles.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4383274&req=5

fig1: An example profile of heart rate (a) and core body temperature (b) for a representative driver during a single day of rally competition, with the six competitive special stages clearly visible in both profiles.
Mentions: Average and peak HR and Tcore were significantly higher during the rally than the reconnaissance (P = 0.012 to 0.018, r = 0.59 to 0.63), with drivers higher than codrivers during the rally but not the reconnaissance (Table 1). The 6 special stages elicited the highest responses in all drivers (Figure 1). Considerable intra- and interindividual variation occurred for Tsk, with peak and average reconnaissance values significantly higher than rally (P = 0.012 and 0.017, r = 0.63 and 0.6, resp.) with little evidence of consistent differences between drivers and codrivers (Table 1).

Bottom Line: In ambient temperatures of 20.1°C (in-car peak 33.9°C) mean (SD) peak HR and T core were significantly elevated (P < 0.05) during rally compared to reconnaissance (166 (17) versus 111 (16) beats · min(-1) and 38.5 (0.4) versus 37.6 (0.2)°C, resp.).Environmental and physical demands during rally competition produced significant physiological responses.Challenges to thermoregulation, hydration status, and cognitive function need to be addressed to minimise potentially negative effects on performance and safety.

View Article: PubMed Central - PubMed

Affiliation: Institute for Sport, PE & Health Sciences, University of Edinburgh, Edinburgh EH8 8AQ, UK.

ABSTRACT

Purpose: To monitor physiological and attention responses of drivers and codrivers during a World Rally Championship (WRC) event.

Methods: Observational data were collected from ten male drivers/codrivers on heart rate (HR), core body (T core) and skin temperature (T sk), hydration status (urine osmolality), fluid intake (self-report), and visual and auditory selective attention (performance tests). Measures were taken pre-, mid-, and postcompetition day and also during the precompetition reconnaissance.

Results: In ambient temperatures of 20.1°C (in-car peak 33.9°C) mean (SD) peak HR and T core were significantly elevated (P < 0.05) during rally compared to reconnaissance (166 (17) versus 111 (16) beats · min(-1) and 38.5 (0.4) versus 37.6 (0.2)°C, resp.). Values during competitive stages were substantially higher in drivers. High urine osmolality was indicated in some drivers within competition. Attention was maintained during the event but was significantly lower prerally, though with considerable individual variation.

Conclusions: Environmental and physical demands during rally competition produced significant physiological responses. Challenges to thermoregulation, hydration status, and cognitive function need to be addressed to minimise potentially negative effects on performance and safety.

Show MeSH