Running shoe effects on ground reaction force and joint mechanics during 12-week gait retraining

Many studies showed that the running biomechanics of lower extremity was influenced by running shoes. Recently, gait retraining programs also did exert certain effects on the running impact characteristics. However, few rigorous scientific studies have been conducted to compare the biomechanics of lower extremity with different running shoes before and after gait retraining. The aim of this study was to determine the effect of running shoes on ground reaction force and joint mechanics during a 12-week gait retraining program in mimicking barefoot running. Overall, the increased ankle moment and power in minimalist shoes compared with cushioned shoes demonstrated that wearing minimalist shoes may result in a greater propulsive force. Besides, the disappeared impact peak and decreased vertical loading rate after gait retraining may indicate a lower impact-related injury risk.