The aim of the current study was to compare match running distance and intermittent-endurance
fitness of male youth soccer players according to league tiers. Participants were 119 outfield players
(central defenders (CD), wide defenders (WD) and central midfielders (CM)) who belonged to an
under-18 soccer league in tier 1 (T1), tier 2 (T2) or tier 3 (T3) in Japan. Forty-one, 11-a-side official
league matches (all 4-4-2 formation) were analyzed (149 complete match-files) using a Global Positioning
System (15Hz). The players performed the Yo-Yo intermittent recovery test level 2 (YYIR2) to determine
intermittent-endurance fitness. CD covered more than 14% less high-intensity running (HIR) and very
high-intensity running (VHIR) distance in T1 than T2 and T3 (all P < 0.05). WD covered 12-20% greater
HIR and VHIR distance in T2 than T1 and T3 (all P < 0.05). CM sprinted at least 27% greater distance in
T1 (P < 0.01) and T2 (P < 0.05) than T3. Moreover, CM covered at least 12% greater YYIR2 distance in
T1 (P < 0.01) and T3 (P < 0.05) compared to T2. In youth soccer, match running distance at high-speeds
varies with league tiers depending on playing position and intermittent-endurance fitness may not be a
determinant of such performance when 4-4-2 formation is employed.
男子ユースサッカー選手におけるリーグ戦の順位とプレイポジションの試合中の高速ランニングパフォーマンスの影響
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