Doing strength training exercises is one of the best things you can do for your body. It can help you gain more muscle, lose weight, and improve your posture. And it only takes a few minutes a day. Jumping jacks Jumping jacks are a great way to get your heart rate up, energize your body, and improve your overall health. They are simple to do, and you can do them in your home or at the gym. The basic jumping jack moves include spreading your legs shoulder width apart, spreading your arms wide, and bending your knees slightly. You can also do a low-impact form of the exercise, which involves stepping out, keeping your back flat, and bending your knees. These are simple moves, but they can be challenging for people who are not used to them. It is important to keep your knees soft and to land smoothly. If you have lower body injuries, you should consult a physical therapist before doing the exercises. One way to increase the intensity of the exercise is to use a weighted vest. An