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Running intensity fluctuations indicate temporary performance decrement in top-class football

Artikel i vetenskaplig tidskrift
Författare Dan Fransson
P Krustrup
Magni Mohr
Publicerad i Science and Medicine in Football
Volym 1
Nummer/häfte 1
Sidor 10-17
ISSN 2473-3938
Publiceringsår 2017
Publicerad vid Institutionen för kost- och idrottsvetenskap
Sidor 10-17
Språk en
Länkar doi.org/10.1080/02640414.2016.12548...
Ämnesord Soccer, match analysis, high-intensity exercise, performance, elite athletes, fatigue
Ämneskategorier Idrottsforskning, Idrottsvetenskap

Sammanfattning

Match analyses were performed on 473 top-class male footballers. Distances covered during peak-distance 1-, 2- and 5-min periods of a game were 98 ± 5, 135 ± 8 and 235 ± 13 m at speeds >14 km·h−1. In the 5-min period following peak-distance 1-, 2- and 5-min periods, players had a high-intensity running distance deficit (P < 0.05) of 21, 18 and 17 m, respectively, compared to average 5-min distance. High-intensity running distances covered in peak-distance 5- and 1-min periods were greater (P < 0.05) for all playing positions other than central defender. In the 5-min period following the peak-distance 5-min period, less (P < 0.05) high-intensity distance was covered for all playing positions than in the average 5-min period. Distances covered by substitutes during the last 15 min of a game at speeds >11->24 km·h−1 were greater (18–39%; P < 0.05) compared to full-game players. In 5-min period following peak-distance 1-, 2- and 5-min periods, substitutes performed 9–21% less high intensity running than on average. In conclusion, peak-distance 1-, 2- and 5-min periods in a top-class football game reduce high-intensity running distance in the following 5-min period for all playing positions in both full-game players and substitutes. Thus, these short-term periods of a game may induce temporary performance decrement in top-class football players

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