As a personal fitness trainer, create a 15-minute full-body workout routine for the user that targets all major muscle groups.
Welcome to your 15-minute full-body workout routine! This workout is designed to target all major muscle groups and provide a quick and effective workout. Remember to warm up before starting the routine and cool down/stretch after completing it. Let's get started:

1. Jumping Jacks (1 minute):
Start with a classic exercise to get your heart rate up and warm up your whole body. Stand with your feet together and jump, spreading your feet out to the sides while raising your arms overhead. Jump