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首页> 外文期刊>Foot and ankle international >Influence of heel height and shoe insert on comfort perception and biomechanical performance of young female adults during walking.
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Influence of heel height and shoe insert on comfort perception and biomechanical performance of young female adults during walking.

机译：脚跟高度和鞋垫对行走过程中年轻女性成年人的舒适感和生物力学性能的影响。

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BACKGROUND: The possible negative effects of high-heeled shoes on subjective comfort perception and objective biomechanical assessment have been noted. Although shoe inserts have been widely applied in footwear to increase comfort and to reduce the frequency of movement-related injury, no study has attempted to identify insert effectiveness in high heels. The purpose of this study was to determine the effects of heel height and shoe inserts on comfort and biomechanics as represented by plantar pressure and ground reaction force (GRF). METHODS: Twenty young female adults performed the test conditions formed by the cross-matching of shoe inserts (shoe without insert and shoe with total contact insert [TCI]) and heel height (a flat, a low heel [3.8 cm] and a high heel [7.6 cm]). Two-way analyses of variance for repeated measures design were used to test condition effects on comfort rating, plantar pressure, and GRF during gait. To determine the biomechanical variables that can predict comfort, a multiple linear regression with stepwise method was done. RESULTS: The results showed that discomfort increased with heel height. In high heels, the plantar pressure in the heel and midfoot shifted to the medial forefoot, and the vertical and anteroposterior GRF increased. Use of the TCI reduced the peak pressure in the medial forefoot. Interestingly, the effectiveness of the TCI was greater in the higher heels than in the lower heels and in flat heels. The peak pressure in the medial forefoot, impact force, and the first peak vertical GRF could explain 75.6% of the variance of comfort in high-heeled gait. CONCLUSIONS: These findings suggest that higher heels result in decreased comfort, which can be reflected by both the subjective rating scale and biomechanical variables. Use of a TCI altered the biomechanics and therefore improved the comfort in high-heeled shoes.
机译：背景：高跟鞋可能对主观舒适感和客观生物力学评估产生负面影响。尽管鞋垫已广泛应用于鞋类中以增加舒适度并减少与运动有关的伤害的发生频率，但尚未进行任何研究来确定高跟鞋中的鞋垫有效性。这项研究的目的是确定脚后跟高度和鞋内底物对舒适度和生物力学的影响，以脚底压力和地面反作用力（GRF）为代表。方法：二十名年轻的成年女性进行了以下测试条件：鞋内衬（无内衬鞋和总接触内衬[TCI]的鞋）与鞋跟高度（平坦，低跟[3.8 cm]和高鞋跟[7.6厘米]。使用重复测量设计的双向方差分析来测试条件对步态舒适度，足底压力和GRF的影响。为了确定可以预测舒适度的生物力学变量，采用逐步方法进行了多元线性回归。结果：结果表明，随着脚跟高度的增加，不适感增加。在高跟鞋中，脚跟和中脚的足底压力转移到前脚内侧，并且垂直和前后GRF增加。使用TCI可以降低前脚内侧的峰值压力。有趣的是，TCI在高跟鞋中的效果比在低跟鞋和平跟中的效果要好。前脚内侧的峰值压力，冲击力和第一峰值垂直GRF可以解释高跟步态中舒适度变化的75.6％。结论：这些发现表明，高跟鞋会导致舒适度下降，这可以通过主观评分量表和生物力学变量来反映。 TCI的使用改变了生物力学，因此提高了高跟鞋的舒适度。

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