Researchers from Auburn University in Alabama studied the biomechanics of the flip-flop and determined that wearing thong-style flip-flops can result in sore feet, ankles and legs.

• 亚拉巴马州的奥本大学研究了夹趾拖鞋的生物力学原理，得出穿人字型样式的夹脚趾拖鞋会导致脚部，关节部位和腿部的疼痛的结论。