Dingemans, Siem A, Suzanne C Kleipool, Marjolein A M Mulders, Jasper Winkelhagen, Niels W L Schep, J Carel Goslings, and Tim Schepers. “Normative Data for the Lower Extremity Functional Scale (LEFS)”. Acta Orthopaedica 88, no. 4 (July 4, 2017): 422–426. Accessed April 29, 2026. https://actaorthop.org/actao/article/view/9696.