Russian Twist

Rotational core work that trains the obliques while you stay balanced on the sit bones.

Instructions

1. 1.Sit with a slight lean back and feet lightly off the floor.
2. 2.Hold the ball at chest height and rotate to one side.
3. 3.Tap the floor, then rotate to the other side.
4. 4.Move from the ribcage, not just the arms.