Breakdown of stability elements in each of the three running shoe support categories used in this study: neutral (Pegasus), stability (Structure Triax) and motion control (Nucleus)
| Neutral (Pegasus) | Stability (Structure Triax) | Motion control (Nucleus) | |
|---|---|---|---|
| Heel counter | * | * | * |
| Thermoplastic midfoot shank | * | * | * |
| Posterolateral crash pad | * | * | * |
| Lateral sole flare | * | * | * |
| Thermoplastic buttress | * | ||
| Dual-density ethyl vinyl acetate midsole | * | * | |
| Thermoplastic reinforced dual-density ethyl vinyl acetate midsole | * | ||
| Broader sole plate | * |