What is one of the primary intentions of a cool-down after exercising?

The primary intention of a cool-down after exercising is to promote muscle recovery. During a workout, especially one involving intense physical activity, muscles experience stress and micro-tears. The cool-down period serves to gradually lower the heart rate and help the body transition back to its resting state. This is important as it aids in the removal of metabolic waste products, such as lactic acid, that accumulate in the muscles during exercise.

Additionally, a cool-down helps improve circulation, which further facilitates the delivery of nutrients to the muscles, enhancing their recovery. By incorporating gentle movements and stretches during this phase, the body can alleviate tightness and promote flexibility, ultimately leading to better recovery of the muscles and reducing the risk of injury.

The other options do not accurately capture the main purpose of a cool-down. Increasing heart rate is contrary to the goal of a cool-down, which is to decrease it. While elimination of fatigue can be a secondary benefit, it isn't the primary intention; fatigue management may require more than just a cool-down, like rest and nutrition. Enhancing strength is also not the focus of a cool-down, as strength gains are typically associated with progressive overload during the workout itself rather than the recovery phase.