Clinical Research Directory

Effects of an Eight-Week Small-Sided Games Training Program on Aerobic Endurance and Passing Performance in Adolescent Soccer Players

Soccer requires players to combine physical fitness with technical skills throughout a match. Small-sided games (SSG) are modified soccer training sessions played with fewer players and reduced pitch dimensions. These training formats are widely used because they simulate match situations while providing high physical and technical demands. The purpose of this randomized controlled trial was to investigate whether an eight-week SSG training program improves aerobic endurance and passing performance in adolescent male soccer players. Eighteen licensed youth soccer players were randomly assigned to either an SSG training group or a control group. Both groups continued their regular soccer training, while the SSG group additionally performed structured small-sided game sessions three times per week for eight weeks. Aerobic endurance was evaluated using the Yo-Yo Intermittent Recovery Test Level 1 (Yo-Yo IR1), and passing performance was assessed using the Loughborough Soccer Passing Test (LSPT). These measurements were obtained before and after the intervention. The primary objective of the study was to compare changes in aerobic endurance and passing performance between the SSG and control groups. It was hypothesized that participation in the structured SSG program would result in greater improvements in both outcomes compared with regular soccer training alone. The findings of this study are expected to provide evidence supporting the use of structured small-sided games as an effective and time-efficient training strategy for improving both physical fitness and technical performance in adolescent soccer players.

Effects of Root Extract Ashwagandha (KSM-66) on Physiological Stress, Perception of Recovery and Muscle Strength in Youth Footballers

This trial examines if six weeks of taking 450 mg Ashwagandha root extract affects exercise performance and recovery in youth male elite football players. Ashwagandha root extract is increasingly used by athletes, but controlled research in adolescent athletes is limited and the majority of evidence is in an adult population. This study will assess short-term responses in youth players. Participants will be randomly assigned to take either Ashwagandha root extract or a placebo once daily for six weeks. Players will complete training-based tests, provide saliva samples and complete a short, validated questionnaire on perception of wellness. Any adverse events will be documented and reported.