The stability ball side crunch is a beginner exercise that reallly isolates the obliques. The stability ball keeps your body in the correct posture and helps you to maintain proper form throughout the exercise.
The stability ball back extension is a beginner core exercise. This is exercise helps to strengthen the lower back and is suitable for all fitness levels.
This is an excellent upper body exercise for overall shoulder strength and stability. This shoulder exercise also helps train balance and coordination by incorporating the stability ball into the exercise.