However, it is also argued that cushioning in shoes actually causes more stress by reducing the body's natural shock-absorbing action, increasing the frequency of running injuries.
Hata hivyo, inasemekana pia kwamba kukanyaga viatu kwa kweli husababisha mkazo zaidi kwa kupunguza hatua ya asili ya mwili ya kunyonya mshtuko, na kuongeza kasi ya majeraha ya kukimbia.