Place your body parallel to the ground looking to the side with one forearm and feet flat on the floor. Extend your free arm upwards in a cross position. Flex laterally the hip until it touches the ground, then raise it as high as you can.
Count one repetition per flexion.
– Keep the horizontal position.
– Ensure that the hip does not move neither forward nor backward.
– Make half the repetitions on each side of the body.
– Sit up with extension