Objectives: The role of shaft stiffness in military boots is widely recognized, yet the majority of studies focus on quantifying stiffness rather than examining how the material composition of the boot shaft influences performance. The present study aimed to assess the effect of different boot materials on kinetic parameters, comparing conventional leather boots to a hybrid leather-synthetic design to assess their impact on mobility and biomechanical efficiency.
Methods: A repeated-measures experimental design was employed, assessing 20 healthy male participants under four conditions: walking with a formal shoe and three military boot types, each featuring distinct shaft materials (two leather and one a hybrid leather-synthetic design). Ground reaction forces, rate of force development, and impulse were recorded using a force plate. Statistical analysis involved repeated-measures ANOVA with Bonferroni correction.
Results: Featuring synthetic materials in the shaft, boot 3 displayed reduced negative impulse and elevated positive impulse relative to traditional leather boots during gait.
Conclusion: These findings highlighted the biomechanical advantages of hybrid boot designs, suggesting that reduced shaft stiffness improves mobility and motion efficiency. The study underscores the need for optimized traditional boot materials to enhance gait performance while minimizing injury risks, particularly for military personnel.