Answer to the Letter to the Editor of Brent S. Russel concerning ‘‘High-heeled-related alterations in the static sagittal profile of the spino-pelvic structure in young women’’ by M. Dai, X. Li, X. Zhou, Y. Hu, Q. Luo, S. Zhou [Eur Spine J (2015); DOI 10.1007/s00586-015-3857-6]
