Reply to the letter to the editor of L. Russo et al. concerning "Relationship between sagittal spinal curves geometry and isokinetic trunk muscle strength in adults" by W. Elsayed, A. Farrag, Q. Muaidi, N. Almulhim (2018) Eur Spine J 27:2014-2022

Affiliations

• ¹ Department of Physical Therapy, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia. whelsayed@iau.edu.sa.
• ² Prince Sultan College of Health Sciences, Dhahran, Saudi Arabia.
• ³ Basic Science Department, Faculty of Physical Therapy, Cairo University, Cairo, Egypt.
• ⁴ Department of Physical Therapy, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia.