Which of the following groups would most likely require the most stringent hydration strategies during exercise?

Elite athletes require the most stringent hydration strategies during exercise due to the intense nature of their training and competition regimens. These athletes often engage in prolonged and vigorous physical activity that leads to significant fluid loss through sweat. Proper hydration is crucial for maintaining optimal performance, preventing heat-related illnesses, and promoting recovery. They also typically train in various environments and conditions that can affect their hydration needs, necessitating a tailored approach to fluid intake.

Elite athletes are often subject to more stringent performance standards and may be competing in situations where dehydration can severely impact their abilities, making consistent hydration practices vital. By contrast, while recreational athletes, aged individuals, and children also need to be mindful of hydration, their requirements may not be as critical or demanding as those of elite-level competitors, who push their physical limits regularly.