Avoiding lines in soccer training sessions is crucial because it minimizes downtime and keeps players actively engaged throughout practice. When players stand in lines waiting for their turn, they lose valuable practice time, which can lead to boredom and decreased focus. By designing drills and activities that involve all players simultaneously, you ensure continuous movement, maximizing their touches on the ball and enhancing their skill development. This approach also promotes better conditioning, improves decision-making under pressure, and creates a more dynamic and enjoyable training environment.