X. Kälin

[Torsion --a new concept in construction of sports shoes. Motion excursion of the foot in athletic stress--anatomical and biomechanical observations and their effects on construction of sports shoes].

E. Stüssi, B. Segesser, M. von A Stacoff, 1989, Sportverletzung Sportschaden : Organ der Gesellschaft fur Orthopadisch-Traumatologische Sportmedizin.

Torsional movements of the foot during landing

Alex Stacoff, Edgar Stüssi, Xaver Kälin, 1989 .

The effects of shoes on the torsion and rearfoot motion in running.

E Stüssi, A Stacoff, A. Stacoff, 1991, Medicine and science in sports and exercise.

Internal Project Report

X. Kälin, M. Mauch, Praxisklinik Rennbahn, 2012 .