Seated Medicine Ball Twist
Sit on a mat with your feet and torso lifted from the ground, holding the medicine ball with both hands out in front of your abs with your arms slightly bent.
Bring the medicine ball to one side touching the ground with the ball. Keep your legs and torso lifted during the exercise.
Bring the medicine ball to the other side touching the ground again, as quickly as possible. Repeat the exercise according to the training plan alternating sides.