A Complete Collection of 100000 Whys
Fav十万个为什么
为什么跑步时不能用脚跟着地？
跑步时脚跟着地会导致制动反作用力、增加关节负荷及降低跑步效率，从而增加受伤风险。
1、脚跟着地会产生向后的制动力，与跑步前进方向相反，降低跑步效率。
2、脚跟着地时，落地冲击力直接传导至膝关节和髋关节，增加关节负荷，容易导致关节损伤。
3、脚跟着地导致着地时间延长，使身体承受冲击力时间增加，加重肌肉、骨骼和关节的负担。
4、脚跟着地不符合人体自然生物力学结构，可能引发脚踝、小腿和背部疼痛。
5、与脚掌或前脚掌着地相比，脚跟着地无法有效利用肌肉弹性，降低跑步经济性。
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