Publications by authors named "Jose Alfonso Morcillo"
Article Synopsis
- The study analyzed the training and match loads of 30 professional male soccer players, focusing on how these loads varied by playing position and examined the relationship between their metabolic metrics and running speeds.
- Findings revealed that central midfielders covered the most distance during matches, while forwards had the highest metabolic power outputs, and central defenders had the least high-speed running.
- It was concluded that physical responses in training don’t match match demands by position; thus, both metabolic and traditional metrics should be utilized together for effective load monitoring in soccer.
Analysis of the key performance variables in soccer is one of the most continuous and attractive research topics. Using global positioning devices (GPS), the primary aim of this study was to highlight the physiological response of a professional soccer team across competitive microcycles in-season according to the most influential contextual performance variables. Determining the training load (TL), a work ratio was established between all recorded data within the training sessions and the competitive profile (CP).
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- The study investigated the impact of a coach's dismissal on the locomotion and metabolic responses of professional soccer players in Spain's top three divisions, focusing on four weeks before and after the change.
- Data showed that players under the dismissed coach ran longer distances at various high-speed thresholds during training, particularly in the First and Second divisions, suggesting they were pushed harder in practice.
- However, in matches, performance metrics like the equivalent distance index and acceleration were similar between the two coaches, indicating that changing coaches mid-season did not enhance players' physical performance in training or competition.
The aims of this study were to analyse the physical responses of professional soccer players during training considering the contextual factors of match location, season period, and quality of the opposition; and to establish prediction models of physical responses during training sessions. Training data was obtained from 30 professional soccer players from Spanish La Liga using global positioning technology (N=1365 performances). A decreased workload was showed during training weeks prior to home matches, showing large effects in power events, equivalent distance, total distance, walk distance and low-speed running distance.
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