Jumping jacks activate your entire body by targeting your major muscle groups. It consists of various resistance and aerobic exercises, so it’s a great addition to your cardio sessions. This exercise increases your body temperature and blood flow to essential muscles. Many people use low-impact jumping jacks to warm up their cardiovascular systems. Jumping jacks are a plyometric exercise that strengthens many of your muscles simultaneously. They also help you burn fat and build muscle without using weights. Jumping jacks are an excellent way to ensure good physical health.