A proper warm-up is essential for preventing exercise-related injuries as it prepares the body for physical activity. Warming up gradually increases heart rate, enhances blood flow to muscles, and raises core temperature, which improves muscle elasticity and joint mobility. This process can significantly reduce the risk of strains and sprains by making tissues more pliable. Additionally, it helps improve mental focus and coordination, leading to better performance during workouts. Overall, a well-structured warm-up routine is a critical step in any exercise regimen.