Physiological responses and time-motion characteristics of 4-a-side small-sided game in young soccer players: the influence of different team formation methods.

The purpose of this study was to examine the influence of different team formation methods on the physiological responses to and time-motion characteristics of 4-a-side small-sided games (SSG4) in young soccer players. Thirty-two young soccer players (age 16.2 ± 0.