Volleyball drill: stomach muscle with ball

The exercise below effective trains the abdominal muscles by throwing the volley ball overarm.

• Lie down on the floor with bent knees.
• Hold the ball with two hands, and bring your arms stretched behind your head as far as possible. This is also the start position of the exercise.
• Get up evenly, with both your arms and your upper body, to throw the ball as far as possible. It is important to maximize tension of your abdominal muscles.
• You can repeat this exercise 8 to 16 times, in 1 to 3 sets.