Open Access

ARTICLE

Effect of a Double Helical Spring Decompression Structure Backpack on the Lumbar Spine Biomechanics of School-Age Children: A Finite Element Study

Fengping Li¹, Dong Sun^1,*, Qiaolin Zhang^1,2,3, Hairong Chen^1,2,3, István Bíró^2,3, Zhiyi Zheng⁴, Yaodong Gu^1,*

1 Faculty of Sports Science, Ningbo University, Ningbo, 315211, China
2 Doctoral School on Safety and Security Science, Óbuda University, Budapest, 1034, Hungary
3 Faculty of Engineering, University of Szeged, Szeged, 6724, Hungary
4 Anta Sports Sciences Laboratory, Anta Group, Xiamen, 362212, China

* Corresponding Authors: Dong Sun. Email: ; Yaodong Gu. Email: