Funding for this research was provided by:
Jiangsu Provincial Commission of Health and Family Planning (2016 BJ16026)
Foundation for leading talent in traditional Chinese medicine of Jiangsu province (2018 SLJ0210)
Natural Science Foundation of Jiangsu (BK20151604)
Project of Jiangsu province health and family planning commission) (H2018025)
Received: 3 January 2019
Accepted: 2 August 2019
First Online: 9 August 2019
Ethics approval and consent to participate
: Ethical approval for this research was obtained from the <i>Ethics Committees of Jiangsu Province Hospital on Integration of Chinese and Western Medicine (2019LWKYS-033)</i>.The CT data for the reconstruction of FEM model from a male volunteer, who was one of the authors of this manuscript and knows all of our experiment and informed consent was signed before the CT scan of his lumbar spine.
: Not applicable.
: The authors declare that they have no competing interests.