Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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4/2020
vol. 37
 
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abstract:
Original paper

Acute effects of small-sided games combined with running drills on internal and external loads in young soccer players.

Yusuf Köklü
1
,
Hamit Cihan
2
,
Utku Alemdaroğlu
1
,
Alexandre Dellal
3
,
Del P. Wong
4, 5

1.
Pamukkale University, Faculty of Sport Sciences, Denizli, Turkey
2.
Trabzon University, Faculty of Sport Sciences, Trabzon, Turkey
3.
FIFA Medical Excellence Centre, Santy Orthopedicae Clinical, Sport Science and Research Department, Lyon, France
4.
School of Nursing & Health Studies, The Open University of Hong Kong, Hong Kong
5.
Titi Sports Technology, Shenzhen, China
Biol Sport. 2020;37(4):375–381.
Online publish date: 2020/07/10
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The purpose of this study was to compare the effects of regular small-sided games (SSGreg) and SSGs combined with running drills (SSGcom) on players’ internal and external loads. Eighteen young male soccer players (average age: 18.2 ± 0.5 years) participated in 3 vs. 3 and 4 vs. 4 games, under both SSGreg and SSGcom conditions. SSGreg bouts were played for 4 minutes without additional running drills, while SSGcom bouts consisted of 3 min 30 s SSG and 15 s running before and after the bout, making the duration of each bout 4 minutes. During all SSGs, measurements of heart rate (HR) responses as well as distances covered in four different speed zones – walking (WLK), low-intensity (LIR), moderate-intensity (MIR) and high-intensity running (HIR) – were recorded. Technical characteristics were monitored during the SSGs, and the rating of perceived exertion (RPE) and blood lactate (La-) responses were determined at the end of each SSG condition. Compared to the SSGreg in both 3 vs. 3 and 4 vs. 4 formats, the SSGcom condition resulted in higher La- and RPE responses (p < 0.05), greater distance covered at MIR and HIR speeds and greater total distance (p < 0.05). The results of this study show that replacing 30 s within the 4-min bouts of SSGs (both 3- and 4-a-side) by 2 x 15 s of running drills is effective in increasing internal (La- and RPE) and external loads (MIR and HIR) without a significant decrease in total passes and successful passes in young soccer players.
keywords:

Football, High intensity running, Physiological responses, Time-motion characteristics, Modified SSG

 
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