Clinical Research Directory

Load-Matched Unilateral Versus Bilateral Squat Training in Elite Youth Futsal Players

This randomised controlled trial compared the effects of two load-matched squat training modalities on physical performance in elite youth futsal players. Seventeen players from the Antioqueña regional futsal squad in Colombia were randomly allocated to either a unilateral squat training group or a bilateral squat training group. Both groups completed a six-week velocity-based training programme, with two supervised sessions per week, while continuing their usual futsal training. Training intensity was prescribed using mean propulsive velocity targets across three two-week blocks. The main outcomes were countermovement jump height, single-leg countermovement jump height for the right and left limbs, 10-metre sprint time, and estimated squat one-repetition maximum. Secondary descriptive data included 20-metre sprint time. The study aimed to determine whether unilateral squat training produced superior adaptations compared with bilateral squat training when training load was objectively standardised.

Effects of Neuro-Athletic Training on Goalkeeper Performance

This randomized controlled trial investigated the effects of an 8-week neuro-athletic training (NAT) program on dynamic balance, explosive strength, grip strength, and agility in elite soccer goalkeepers. Participants were randomly assigned to either an experimental group receiving NAT in addition to regular training or a control group continuing standard training. Pre- and post-intervention performance assessments were conducted to determine the effectiveness of the intervention.

Effect of Plant vs Animal Protein Supplementation on Body Composition in Youth Soccer Players

This prospective, single-blind, randomized controlled trial investigates the comparative effects of plant-based protein (soy and rice blend) versus animal-based protein (whey) supplementation on body composition parameters in elite male youth soccer players. Twenty-five players (ages 16-18.7 years) from Udinese Calcio's Primavera (U-19) category are randomized into three groups: Plant Protein Group (n=8), Animal Protein Group (n=9), and Placebo Group (n=8). The intervention consists of post-training protein supplementation (17g protein/dose) administered within 15-30 minutes after each training session over a 4-week microcycle during the competitive season. Body composition is assessed using a multi-compartmental model including anthropometry (ISAK protocol), bioelectrical impedance analysis (BIA), and dual-energy X-ray absorptiometry (DEXA).