Which physiological change would improve an athlete's ability to perform over time?

Prepare for the USAG Safety and Risk Management Test. Focus on comprehensive safety measures and risk management strategies. Elevate your understanding and excel in the exam with interactive practice questions and thorough explanations.

Improved muscular endurance is the physiological change that enhances an athlete's ability to perform over time. Muscular endurance refers to the ability of a muscle or group of muscles to sustain repeated contractions against resistance for an extended period. When an athlete increases their muscular endurance, they can perform activities at a higher intensity for longer durations without fatigue, which is essential in most sports. This allows them to maintain performance levels throughout their training or competition.

Enhancing muscular endurance also positively affects recovery times and overall physical conditioning, enabling athletes to train more effectively and consistently. This adaptive response to training plays a vital role in preventing injury and maximizing performance.

The other options, such as increased fatigue, reduced flexibility, and decreased strength, do not contribute positively to athletic performance or overall fitness levels. Increased fatigue would hinder performance, reduced flexibility could limit range of motion and increase the risk of injury, and decreased strength would negatively impact an athlete's ability to generate force and perform various movements necessary in their sport.

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