Work your entire core musculature w

Transverse abdominis

What? The strip of muscle stretchingfrom lumbar region to pubic bone.
Precision engineering The ‘100’.The move to activate your ‘deep abs’. Lie flaton the floor, holding your legs in a tabletopposition, shins and ankles parallel to thefloor. Bring your head up and, with your chindown, use your abs to curl your upperspine up off the floor. Keep yourspine curved, grasp your kneesand roll your head backto the floor.
Bonus Ski and 'board braver. “Your body takesa battering shreddingpowder,” says free-skiingcoach Warren Smith.“Strength here protectsyour spine fromshocks.”

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