The primary goal of a warm-up before exercise is to prepare the body for physical activity and reduce the risk of injury. A proper warm-up increases muscle temperature, improves circulation, and enhances joint elasticity, which can lead to increased range of motion. Additionally, a warm-up activates the nervous system, improving coordination and reaction times. Engaging in dynamic stretches and low-intensity movements during warm-up sessions primes the body for more intense workouts, ultimately enhancing performance and promoting safe exercise practices.