The Desk Chair Swivel  Step 1: Sit up straight in a chair that
swivels.  Step 2: Hold on to the edge of your desk with your
fingers and thumbs.  Step 3: Lift your feet up so they are just
hovering above the floor.  Step 4: Using your stomach
muscles – not your arms – make your chair swivel from side to
side.   Step 5: Swish back and forth for 15 rounds.  Source:
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