Main Muscles Affected
- Abdominal muscles
Exercise Difficulty
Difficult
Performing the Crunch twist on fitball:
- Place the scapular portion of the back on top of the fitball, fix your feet to the floor and bring your hands behind your head; keep your elbows open and your head still
- Squeeze the oblique abdominals and slowly lift the torso upwards, reach the left knee as much as you can with the right elbow, return to the starting position
- Perform the contralateral movement.
- Losing control of the fitball
- Too much strain on the neck.
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