Classification
| Type | auxiliary |
| Mechanics | isolated |
| Direction | push |
| Equipment | fitness ball |
| Additional Equipment | - |
Instructions
Preparation
Sit upright on fitnessball, place feet on floor beneath knees and put hand on fitnessball to stabilize position.Execution
Fully extend one leg. Keep thigh fixed. Return. Continue with other leg.Variations / Comments
-
Starting Position 
Ending Position Muscles
| Target | Quadriceps |
| Synergist | - |
| Stabilizers | Hip Flexors |
Front
Rear
