what is the main cause of kyphosis?
Causes of Kyphosis. There are many possible causes of kyphosis, and narrowing down the curve's cause starts with narrowing down what type of kyphosis you have. Remember, there are 2 types: postural kyphosis and structural kyphosis. The cause of postural kyphosis is easy to understand: Poor posture leads to an excessive rounding of the upper back. If you try, you can correct postural kyphosis, just by making a conscious effort to stand up straight and have good posture.