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Purpose: Running shoe cushioning research has focused widely on rearfoot (RF) characteristics, whereas forefoot (FF) characteristics have been rather neglected. However, altered cushioning may affect running biomechanics and respective subjective perception at RF and FF. Thus, this research compared the effect of running shoes with different midsole hardnesses at RF and FF.

Methods: Twenty-eight heel-toe runners were tested in five experimental shoe conditions that featured three segmented EVA midsoles (RF, midfoot (MF), FF). Three conditions had the same midsole hardness at RF and FF (soft (SS), medium (MM), hard (HH)). Two conditions had different RF and FF midsole hardness (soft-RF/hard-FF (SH), hard-RF/soft-FF (HS)). All midsoles featured the same MF segment of medium hardness. Vertical ground reaction forces and lower extremity kinematics during stance …