Classification
| Type | basic |
| Mechanics | isolated |
| Direction | pull |
| Equipment | fitness ball |
| Additional Equipment | - |
Instructions
Preparation
In supine position lie with lower back on fitness ball. Place feet somewhat apart on floor. Cross hands on chest.Execution
Flex waist to raise upper body. Keep lumbar spine on ball. Return until lower back is slightly arched and repeat.Variations / Comments
-
Starting Position 
Ending Position Muscles
| Target | Rectus Abdominis |
| Synergist | Obliques |
| Stabilizers | Hamstrings | Hip Adductors |
Front
Rear
