Instructions
Preparation
- Lie on ball on side of torso, waist, and hip. Position legs
outward with feet on floor or against floor board. Hold weight
behind
or above head.
Execution
- Raise side of torso up by lateral flexing waist. Lower torso
back on ball and repeat. Position other side on ball and repeat
with opposite side.
Comments
- Exercise can be performed without
added weight until more resistance is needed. Movement can
be can also be made easier by positioning hip low on ball. In
contrast, exercise can be made more challenging by positioning
hip highr 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.
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Classification
Muscles
Target
Synergists
Stabilizers
- No significant stabilizers
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