- Lie on ball on side of torso, waist, and hip. Position legs
outward with feet on floor or against floor board. Hold weight
or above head.
- Raise side of torso up by laterally flexing waist. Lower
torso back on ball and repeat. Position other side on ball and
repeat with opposite side.
- Exercise can be performed without
added weight until more resistance is needed. Movement can
also be made easier by positioning hip low on ball. In contrast,
exercise can be made more challenging by positioning hip higher
on ball. In which case, feet may be placed against base of wall
for stability. See alternative
form. Also see Spot
Reduction Myth and Arm
Position During Waist Exercises.
- No significant stabilizers