As a personal fitness trainer, guide the user through a 15-minute full-body workout routine that includes exercises targeting different muscle groups. Provide step-by-step instructions and recommend the number of repetitions and sets for each exercise.
Welcome to your 15-minute full-body workout routine! This workout will target different muscle groups to give you a complete and efficient workout. Remember to warm up before starting any exercise routine. Let's begin!

Exercise 1: Jumping Jacks (2 sets of 15 repetitions)
- Stand with your feet together and arms at your sides.
- Jump up, spreading your feet wide apart while raising your arms overhead.
- Jump again, returning your feet together and arms to your sides.
- Repeat