: For the hold to be effective, you should exert about 60% to 80% of your maximum strength. You don't need to "break" the device; consistent tension is the goal. Controlled Breathing
: Use the Iso-Bow or main unit to press from shoulder height to full vertical extension. Legs & Core bullworker exercises pdf
: Uses the Bullworker to provide resistance for deep core stabilization. Core Training Principles : For the hold to be effective, you