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The emphasis on muscular endurance is primarily found in the stabilization phase. This phase focuses on developing the ability of muscles to sustain prolonged activity and maintain stability while performing exercises. The training during this phase involves lighter weights and higher repetitions, which are essential for enhancing muscular endurance.

This phase is also characterized by exercises that promote proper movement patterns and improve neuromuscular coordination, which are crucial for maintaining stability during complex movements. As participants build a solid foundation in endurance, their bodies become better prepared for the subsequent phases in a training program.

In contrast, other phases, such as power, strength, and hypertrophy, focus on different aspects of fitness, including explosiveness, pure strength gains, and muscle growth, rather than on sustained muscle activity over time. Therefore, the stabilization phase is distinctly oriented toward enhancing muscular endurance.