The Cross-Sit-up-trained, especially the side abdominal muscles, which are neglected in the classical variant. On the back and with the hands, the ears loose to the touch. The legs bend. Now the right leg, lift it with the left elbow on the belly merge, until they almost touch. The hands on the ears, the torso needs to be to the front. Return to the starting position, then do the Exercise with the left leg and the right Arm, repeat. A total of ten times per page.