What is a common effect of fatigue during exercise?

Fatigue during exercise can significantly increase the risk of injury for several reasons. As fatigue sets in, muscle strength, endurance, and coordination tend to decline. This deterioration can lead to improper form or techniques while exercising, which may result in strains, sprains, or other injuries. Additionally, a fatigued state often impairs proprioception—the body’s ability to sense its position in space—making it difficult to execute movements safely.

The options that reflect increased performance, enhanced recovery, or increased oxygen saturation do not align with the physiological effects of fatigue. Instead, fatigue generally hampers performance and delays recovery, making the association between fatigue and higher risk of injury the most accurate choice.