1. As a starting position stand up don’t lean sideways, use your abs to support your standing in a straight way .
2. Exhale as you lift the leg to the side, keep your toes and your knees facing forward just like shoulders and hips, no rotation, then switch sides.
Tips and Advises:
The key to making this move effective is to always keep shoulder back abs in knees never locked, you can also hold a table or a chair for balance.