Exercise balls, also known as half balls or balance balls, are a great way to add a dynamic element to your workout routine. They can be used for a variety of exercises and are an effective tool for strengthening specific muscles. One of the most common exercises for exercise balls is the sit-up. For this exercise, lie flat on your back with the ball positioned between your shoulder blades. Engage your abdominal muscles, then lean back and press against the ball to lift your torso up. Hold for a few seconds, then slowly lower yourself back down. This exercise helps to strengthen your core muscles and improve your balance. Exercise balls can also be used for a variety of other exercises, such as squats, lunges, and push-ups. To do a squat with an exercise ball, stand with your feet shoulder-width apart and place the ball between your shoulder blades. Squat down until your thighs are parallel to