The thoracic spine, not the lumbar spine, is where most trunk rotation should take place. The overall range of motion of the lumbar spine is about 12–13 degrees in a healthy individual, whereas the thoracic spine has a range of motion of nearly 70 degrees of rotation, 35 degrees in each direction (Johnson
@Arnold Houston It is a privilege for letting me into your community and i would love to helping in building a real and engaging community with the right audience if you are open to it? Can you have a look at this I would like to show you samples of community I have worked with and you can message the community owner to get a clue from them, can we have a chat?
@Arnold Houston Completely understand. Early-stage communities usually win or lose based on positioning and engagement systems more than design. If you’d ever like a few growth ideas while building, feel free to reach out.