This study compared ground reaction forces (GRF) and lower limb two-dimensional (2D) kinematic waveforms, with and without load carriage, in military personnel walking in two different types of boots. Data were measured in 24-soldiers walking on a 10-m walkway under four randomized crossover trials: wearing two military boots (styrene-butadiene rubber midsole – SBR – 63 Shore A; and polyurethane midsole – PU – 48 Shore A); with and without a 15-kg backpack. GRF traditional parameters were evaluated by two-way ANOVAs. GRF and kinematic waveforms were assessed using a statistical parametric mapping (SPM) method (two-way ANOVA). No interaction effects were observed between footwear and load. GRF at the beginning of stance was lower while wearing the SBR boot condition compared to the PU boot condition. Load carriage increased trunk, hip, and knee flexion. The analyzed military boots did not affect movement patterns during loaded walking and the military boot with SBR midsole material reduced impact to a greater extent. The study demonstrated that the design and materials (e.g., midsole material and thickness) used in boot manufacturing can influence military boot performance.

本研究比较了穿着两种不同类型靴子行走的军事人员在有和没有负载承载的情况下的地面反作用力 (GRF) 和下肢二维 (2D) 运动波形。数据是在四次随机交叉试验下在 10 米走道上行走的 24 名士兵测量的：穿着两双军靴（丁苯橡胶中底 – SBR – 63 Shore A；和聚氨酯中底 – PU – 48 Shore A）；带和不带 15 公斤背包。GRF 传统参数通过双向 ANOVA 进行评估。使用统计参数映射 (SPM) 方法 (双向 ANOVA) 评估 GRF 和运动波形。鞋类和负载之间没有观察到交互作用。与 PU 靴条件相比，穿着 SBR 靴条件时站立开始时的 GRF 较低。承载增加的躯干、臀部、和膝关节屈曲。所分析的军靴在负重行走过程中不会影响运动模式，而采用 SBR 中底材料的军靴在更大程度上降低了冲击力。研究表明，靴子制造中使用的设计和材料（例如，中底材料和厚度）会影响军靴的性能。