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This series uses a mix of the chair and your own body weight. If you don't have a chair you can use a table or the wall.
I use my own body weight here but you can add in the 1lb weights around your ankles/palms to intensify the movements. Do what feels good for you.
This series uses a mix of your own body weight and 1lb weights. You can also opt to use your own body weight through the whole series.