Abstract
To investigate the effects of situational factors (match location, strength of team and opponent) and environmental factors (relative air humidity, temperature and air quality index) on the technical and physical match performance of Chinese Soccer Super League teams (CSL). The generalized mixed modelling was employed to determine the effects by using the data of all 240 matches in the season 2015 collected by Amisco Pro®. Increase in the rank difference would increase the number of goal-scoring related, passing and organizing related actions to a small-to-moderate extent (Effect size [ES]: 0.37–0.99). Match location had small positive effects on goal-scoring related, passing and organizing related variables (ES: 0.27–0.51), while a small negative effect on yellow card (ES = −0.35). Increment in relative air humidity and air quality index would only bring trivial or small effects on all the technical performance (ES: −0.06–0.23). Increase in humidity would decrease the physical performance at a small magnitude (ES: −0.55–−0.38). Teams achieved the highest number in the physical performance-related parameters at the temperature between 11.6 and 15.1 °C. In the CSL, situational variables had major effects on the technical performance but trivial effects on the physical performance, on the contrary, environmental factors affected mainly the physical performance but had only trivial or small impact on the technical performance.
Highlights
Situational factors are The different competitive conditions in which soccer matches are played and may affect The performance of teams and players at a behavioural level [1]
We identified that changes in The rank difference only brought trivial effects on all The seven physical performance-related parameters, which is different from previous results that showed teams covered greater total distance and performed more high-intensity activities when playing against strong opponents than playing against weak opponents [28,32]
Our study demonstrated that situational variables had major effects on The technical performance but trivial effects on The physical performance in The Chinese Soccer Super League teams (CSL)
Summary
Situational factors are The different competitive conditions in which soccer matches are played and may affect The performance of teams and players at a behavioural level [1]. Intensive research has been conducted to investigate The influence of situational factors, including match location, team and opponent quality, match status/results among others, on soccer match performance [2,3]. Players and teams playing at home tended to achieve higher numbers in goal scoring, passing and organizing related technical actions, while committing fewer fouls and receiving fewer cards than playing away [2,4]. Players from successful teams generally had more possession-related actions [3,4] and covered more distance including high-speed-running whilst in ball possession [3,5]. Public Health 2019, 16, 4238; doi:10.3390/ijerph16214238 www.mdpi.com/journal/ijerph
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