%0 Journal Article %T Modular footwear that partially offsets downhill or uphill grades minimizes the metabolic cost of human walking %A Arash Mohammadzadeh Gonabadi %A Cory M. Frederick %A Philippe Malcolm %A Prokopios Antonellis %J - %D 2020 %R 10.1098/rsos.191527 %X Walking on different grades becomes challenging on energetic and muscular levels compared to level walking. While it is not possible to eliminate the cost of raising or lowering the centre of mass .. %U https://royalsocietypublishing.org/doi/10.1098/rsos.191527