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

• 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

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Hälsovetenskap -- Idrottsvetenskap (hsv//swe)

MEDICAL AND HEALTH SCIENCES  -- Health Sciences -- Sport and Fitness Sciences (hsv//eng)

SAMHÄLLSVETENSKAP  -- Sociologi -- Socialt arbete (hsv//swe)

SOCIAL SCIENCES  -- Sociology -- Social Work (hsv//eng)

Nyckelord

Soccer

match analysis

high-intensity exercise

performance

elite athletes

fatigue

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