It's a stretching program based on ancient Asian techniques that unlocks your body's potential for gains in strength and flexibility. It seems, from Larsson's own description, to focus on strengthening the pelvic floor muscles.
This makes sense, since working that muscle group would necessarily work core, back, and glute muscles. You would have to use your arms and legs as stabilising or support as well. Read More: https://bit.ly/3sMjvB6