优势侧和非优势侧跑步支撑期的生物力学偏侧性研究
发布时间：2018-08-04 21:26
【摘要】：探讨无损伤男性受试者跑步支撑期优势侧与非优势侧下肢生物力学的差异性。方法:选取普通健康无损伤男性受试者12名,采用Vicon红外高速运动捕捉系统和Kistler三维测力台对受试者跑步支撑期的运动学和动力学指标进行同步采集。结果:1)优势侧跑步支撑期髋关节最大伸和膝关节最大屈曲角度小于非优势侧(P0.05),踝关节在矢状面两侧差异无统计学意义(P0.05);在额状面的关节角度两侧差异均无统计学意义(P0.05)。2)跑步支撑期,内侧地面反作用力峰值优势侧大于非优势侧,而到达峰值的时间晚于非优势侧(P0.05),外侧地面反作用力峰值非优势侧大于优势侧,且到达峰值的时间晚于优势侧(P0.05),垂直和前后地面反作用力峰值及到达峰值的时间两侧差异均无统计学意义(P0.05)。载荷率两侧差异比较无统计学意义(P0.05)。3)根据垂直地面反作用力峰值和第1载荷率计算的对称性指数显示两侧存在不对称性。结论:1)在跑步支撑期,优势侧与非优势侧矢状面内髋膝角度存在差异性,提示了在跑鞋、鞋垫及下肢矫形器等设计和临床研究中,不能仅仅选择一侧来评价跑步的整体感觉、损伤风险和康复效果。2)跑步支撑期在内外地面反作用力峰值存在的差异性、第1峰值和载荷率所表现出的偏侧性,结合膝关节屈曲角度的差异性可能会增加优势侧损伤的风险。长期积累,有可能会造成优势侧胫骨应力性骨折、足底筋膜炎及ACL的损伤。
[Abstract]:To explore the difference of biomechanics between the dominant side and the non dominant side in the running support period of uninjured male subjects. Methods: the kinematics and dynamics indexes of running support period were collected by Vicon infrared high-speed motion capture system and Kistler three dimensional dynamometer in 12 normal healthy male subjects. Results: 1) the maximal extension and flexion angle of hip joint in the running support period of the dominant side were smaller than those of the non-dominant side (P0.05), but there was no significant difference between the two sides of the ankle joint in the sagittal plane (P0.05), while there was no significant difference in the bilateral angle of the joint in the frontal plane (P0.05). Significance (P0.05) 2) running support period, The peak value of medial ground reaction was larger than that of non-dominant side, and the time of reaching the peak value was later than that of non-dominant side (P0.05), and the non-dominant side of lateral ground reaction was larger than that of dominant side. The time of reaching the peak value was later than that of the dominant side (P0.05). There was no significant difference in the peak value of the vertical and front surface reaction force and the time of reaching the peak value (P0.05). There was no significant difference between the two sides of load rate (P0.05). The symmetry index calculated according to the peak value of vertical ground reaction force and the first load rate showed asymmetry on both sides. Conclusion: during the running support period, the hip and knee angles in the sagittal plane of the dominant side and the non-dominant side are different, suggesting that in the design and clinical study of running shoes, insoles and lower extremity orthosis, one side should not be chosen to evaluate the overall feeling of running. Injury risk and rehabilitation effect (.2) the difference of the peak value of the internal and external ground reaction force in the running support period, the sideways of the first peak value and the load rate, combined with the difference of the knee flexion angle, may increase the risk of the dominant side injury. Long-term accumulation may result in stress fractures of the dominant tibia, plantar fasciitis and ACL damage.
【作者单位】： 苏州大学体育学院;
【基金】：江苏省品牌专业建设工程资助项目
【分类号】：G804.6
本文编号：2165210
[Abstract]:To explore the difference of biomechanics between the dominant side and the non dominant side in the running support period of uninjured male subjects. Methods: the kinematics and dynamics indexes of running support period were collected by Vicon infrared high-speed motion capture system and Kistler three dimensional dynamometer in 12 normal healthy male subjects. Results: 1) the maximal extension and flexion angle of hip joint in the running support period of the dominant side were smaller than those of the non-dominant side (P0.05), but there was no significant difference between the two sides of the ankle joint in the sagittal plane (P0.05), while there was no significant difference in the bilateral angle of the joint in the frontal plane (P0.05). Significance (P0.05) 2) running support period, The peak value of medial ground reaction was larger than that of non-dominant side, and the time of reaching the peak value was later than that of non-dominant side (P0.05), and the non-dominant side of lateral ground reaction was larger than that of dominant side. The time of reaching the peak value was later than that of the dominant side (P0.05). There was no significant difference in the peak value of the vertical and front surface reaction force and the time of reaching the peak value (P0.05). There was no significant difference between the two sides of load rate (P0.05). The symmetry index calculated according to the peak value of vertical ground reaction force and the first load rate showed asymmetry on both sides. Conclusion: during the running support period, the hip and knee angles in the sagittal plane of the dominant side and the non-dominant side are different, suggesting that in the design and clinical study of running shoes, insoles and lower extremity orthosis, one side should not be chosen to evaluate the overall feeling of running. Injury risk and rehabilitation effect (.2) the difference of the peak value of the internal and external ground reaction force in the running support period, the sideways of the first peak value and the load rate, combined with the difference of the knee flexion angle, may increase the risk of the dominant side injury. Long-term accumulation may result in stress fractures of the dominant tibia, plantar fasciitis and ACL damage.
【作者单位】： 苏州大学体育学院;
【基金】：江苏省品牌专业建设工程资助项目
【分类号】：G804.6
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