Abstract
As a general purpose, this research project intends to verify the validity and reliability of a new protocol for assessing physical performance of soccer players in a small-sided game situation. Fifty young soccer players will be invited to participate in the project (U-11 [n = 10], U-13 [n = 10], U-15 [n = 10] U-20 [n = 10]). The experimental protocol will be separated into four stages: …