Place it Black (firm) side up, and begin in a straight arm prone plank position. With your back straight and abs drawn up to your spine,
Step 2
apply more pressure to one side of the bosu-style ball so it tilts down to the ground. Then using your abs, return the bosu-style ball to starting position. Repeat on the other side. Perform this exercise 10-15 times per side.
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Step 1
Place it Black (firm) side up, and begin in a straight arm prone plank position. With your back straight and abs drawn up to your spine,
Step 2
apply more pressure to one side of the bosu-style ball so it tilts down to the ground. Then using your abs, return the bosu-style ball to starting position. Repeat on the other side. Perform this exercise 10-15 times per side.