What is a fundamental safety measure to consider during physical training?

Hydration is crucial during physical training because it helps maintain optimal bodily functions and performance. When engaging in physical activity, the body loses fluids through sweat and respiration, and insufficient hydration can lead to a range of issues, including decreased endurance, impaired cognitive function, heat exhaustion, and even heat stroke. Proper hydration ensures that muscles remain healthy and function effectively, supports cardiovascular health, and helps in thermoregulation. By prioritizing hydration, individuals can enhance their performance, reduce the risk of injury, and improve recovery times after training sessions. This fundamental safety measure is essential to ensure that physical training is both effective and safe.