One of the best sports tools that light up muscle building, is the medical ball, which exercises up to more than three weeks a year, where it emerged with Greek civilization and continued at this time with further development.Helping the medical ball build muscle from different angles, as much as it can increase its strength1) Twist Exercises: In this exercise necessarily on the knees with your back to the back of the partner, focusing on the back muscle in good posture, slowly start rolling by holding the ball in both directions, the situation continued between 30: 90 seconds, can be This exercise is from standing position.2) sit V-shaped with the distance from the partner to the feet of the partner bend the knees, close the feet with the help of the exercise partner, then sit upright, tighten the back muscles, then lean back partner, with a recurrence of 30: 90 seconds.3) Nursing the chest medical ball from the front in front of him to three feet with the foot of the ball to the chest, while maintaining the width of the shoulder width, granting a slight curved in the knees, and then throw the ball with a lot of energy against the wall and then receive the chest.4) abdominal exercises with the medical ball: where you throw the ball on the belly of evil before receiving them and then returned to you in your stomach, and after exercises become in the next light