Frequent repetitions of high intensity movements that involve significant musculoskeletal forces and joint loads can result in between-limb asymmetry in functional performance where preferred lower-limb dominance may be evident. However, research investigating the association between asymmetry and athletic performance has shown equivocal findings ("trivial-moderate" association...

English Premier League seems to possess a more direct style of play, faster game tempo, higher number of heading and ground duels and more aggressiveness than other top European leagues. In fact, this competition has evolved tactically and physically by increasing the number of passes, passing...

The routine evaluation of fat-free mass throughout the season provides useful information for coaches. In fact, fat-free mass is considered the best longitudinal predictor for leg power during late adolescence in young soccer players. However, X-ray absorptiometry (DXA) is costly and cannot be used frequently. Therefore,...

The preseason is one of the most interesting moments and discussed by the football professional community. One of the objectives of the preseason is to develop physical capacities and prepare the player for the competition. However, there are no studies which have compared the association in...

Modern sport shoes, and especially football shoes, very often have a stiff sole structure. The synthetic and sometimes carbon material used have clear advantages for performance: they are lightweight and have a good energy absorption-restitution ratio, which is useful for overall performance in sprinting, cutting,...

Improving performance and decreasing the risk of injury soccer players requires a careful balance and management between the application of training load and recovery. The response to competition has been measured in several methods (e.g., biomechanical, neuromuscular, psychological and physiological methods), including the physiological measurement...

From the FSI we are proud to welcome Carlos Marchena to our blog. As a professional player, Carlos has had an exemplary sports career. It reached over 600 official matches, an amount hardly exceeded by most professional players. With the clubs in which he played he...