Sit in neutral spine on the Bosu ball with your feet about 12 inches apart on the floor and palms on your knees, thumbs up and fingers wrapped around the insides of your knees.
Pull your abs to your spine and contract your back so that your tailbone tucks underneath you and your pelvis moves from upright to almost parallel with the floor. Your shoulders should be behind your hips. Reverse the movement to sit upright.
Make sure your Bosu is properly inflated.
Rectus Abdominis, Biceps Brachii
TIP: Pull your abs in as much as possible, drawing your navel into your spine.
Variations for Bosu Sit
After your abs are able to hold a 20 second contraction in the bosu sit, try this one to continue to gain strength and balance.
After mastering the 'bosu sit' and after your abs are able to hold a 20 second contraction in the 'single leg Bosu sit', try this one to continue to gain strength and balance.
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