PreparationPut hands shoulderwide on floor. Place lower thighs on fitnessball and keep body straight.
ExecutionFlex hips and waist to pull knees toward chest until fitnessball reaches shins. Return and repeat.
Variations / Comments-
|Synergist||Hip Flexors | Obliques|
|Stabilizers||Pectoralis Major, Sternal | Pectoralis Major, Clavicular | Deltoid, Anterior | Triceps Brachii|