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Relative Match Intensities at High Altitude in Highly-Trained Young Soccer Players (ISA3600)

Title data

Buchheit, Martin ; Hammond, Kristal ; Bourdon, Pitre C. ; Simpson, Ben M. ; Garvican-Lewis, Laura A. ; Schmidt, Walter ; Gore, Christopher J. ; Aughey, Robert J.:
Relative Match Intensities at High Altitude in Highly-Trained Young Soccer Players (ISA3600).
In: Journal of Sports Science & Medicine. Vol. 14 (March 2015) Issue 1 . - pp. 98-102.
ISSN 1303-2968

Abstract in another language

To compare relative match intensities of sea-level versus high-altitude native soccer players during a 2-week camp at 3600 m, data from 7 sea-level (Australian U17 National team, AUS) and 6 high-altitude (a Bolivian U18 team, BOL) native soccer players were analysed. Two matches were played at sea-level and three at 3600 m on Days 1, 6 and 13. The Yo-Yo Intermittent recovery test (vYo-YoIR1) was performed at sea-level, and on Days 3 and 10. Match activity profiles were measured via 10-Hz GPS. Distance covered >14.4 km.h(-1) (D>14.4 km·h(-1)) and >80% of vYo-YoIR1 (D>80%vYo-YoIR1) were examined. Upon arrival at altitude, there was a greater decrement in vYo-YoIR1 (Cohen's d +1.0, 90%CL ± 0.8) and D>14.4 km·h(-1) (+0.5 ± 0.8) in AUS. D>14.4 km.h(-1) was similarly reduced relative to vYo-YoIR1 in both groups, so that D>80%vYo-YoIR1 remained similarly unchanged (-0.1 ± 0.8). Throughout the altitude sojourn, vYo-YoIR1 and D>14.4 km·h(-1) increased in parallel in AUS, so that D>80%vYo-YoIR1 remained stable in AUS (+6.0%/match, 90%CL ± 6.7); conversely D>80%vYo-YoIR1 decreased largely in BOL (-12.2%/match ± 6.2). In sea-level natives competing at high-altitude, changes in match running performance likely follow those in high-intensity running performance. Bolivian data confirm that increases in 'fitness' do not necessarily translate into greater match running performance, but rather in reduced relative exercise intensity. Key pointsWhen playing at high-altitude, players may alter their activities during matches in relation to their transient maximal physical capacities, possibly to maintain a 'tolerable' relative exercise intensity.While there is no doubt that running performance per se in not the main determinant of match outcomes (Carling, 2013), fitness levels influence relative match intensity (Buchheit et al., 2012, Mendez-Villanueva et al., 2013), which in-turn may impact on decision making and skill performance (Rampinini et al., 2008).In the context of high-altitude competitions, it is therefore recommended to arrive early enough (i.e., ~2 weeks) to allow (at least partial) acclimatisation, and in turn, allow sea-level native players to regulate their running activities in relation to both actual game demands and relative match intensity.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Cultural Studies > Department of Sport Science
Faculties > Faculty of Cultural Studies > Department of Sport Science > Professorship Sports Science IV
Faculties
Faculties > Faculty of Cultural Studies
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences > 610 Medicine and health
Date Deposited: 07 Sep 2017 11:40
Last Modified: 07 Sep 2017 11:40
URI: https://eref.uni-bayreuth.de/id/eprint/39239