Abdominal exercise: swiss ball, legs vertical, Torso Track

Abdominal exercise by the swiss ball (exercise ball)
The exercise ball (swiss ball) is an excellent tool for strengthening the abdominal. To do this abdominal exercise as we should, we recommend:
1. You lie face up with the exercise ball resting on the part of the mid / lower back,
2. Crossing your arms across your chest or place them behind your head,
3. Contract your abdominal to lift your torso to the ball, pulling the bottom of the ribcage down to your hips
4. Keep the exercise ball steady while you roll (you should not run with the ball in motion)
5. Reduce your lower back, thereby obtaining a stretch in the abs. Repeat the movement 12 to 16 times.
Bodybuilding by the abs exercise abdominal legs vertical. (more…)