Effects of Bout Duration on Players' Internal and External Loads During Small-Sided Games in Young Soccer Players

To investigate the effects of different bout durations on internal and external loads of young soccer players during different small-sided games (SSGs). Fifteen young male soccer players (average age 17 ± 1 y) participated in 2 vs 2, 3 vs 3, and 4 vs 4 SSGs. All games lasted 12 min playing time in t...

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Bibliographic Details
Published in:International journal of sports physiology and performance 2017-11, Vol.12 (10), p.1370-1377
Main Authors: Köklü, Yusuf, Alemdaroğlu, Utku, Cihan, Hamit, Wong, Del P
Format: Article
Language:English
Subjects:
Adolescent
Athletic Performance - physiology
Humans
Male
Physical Exertion
Running
Soccer
Soccer - physiology
Time and Motion Studies
Time Factors
Walking
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Summary:To investigate the effects of different bout durations on internal and external loads of young soccer players during different small-sided games (SSGs). Fifteen young male soccer players (average age 17 ± 1 y) participated in 2 vs 2, 3 vs 3, and 4 vs 4 SSGs. All games lasted 12 min playing time in total, but each SSG format further consisted of 4 bout durations: continuous (CON: 1 bout × 12 min) or interval with short (SBD: 6 bouts  × 2 min), medium (MBD: 3 bouts × 4 min), or long (LBD: 2 bouts × 6 min) bout durations. During the SSGs, heart-rate (HR) responses and distance covered in different speed zones (walking and low-intensity, moderate-intensity, and high-intensity running) were measured. Rating of perceived exertion (RPE) and blood lactate (La ) were determined at the end of each SSG. The SBD format elicited significantly lower %HR responses compared to LBD and CON in all formats (P 
ISSN:1555-0265
1555-0273
DOI:10.1123/ijspp.2016-0584