This article discusses a 5-minute upper body warmup routine to prepare the muscles for a workout. The warmup includes exercises such as arm circles, shoulder rolls, and chest stretches to increase blood flow, flexibility, and range of motion in the upper body. These exercises help to prevent injury and improve performance during a workout by priming the muscles and joints. The 5-minute warmup is quick and easy to perform, making it a convenient way to prepare for physical activity. By incorporating this upper body warmup routine into a workout routine, individuals can ensure that their muscles are properly prepared for exercise, leading to a more effective and safe workout experience.