Effects of overground surfaces on running kinematics and kinetics in habitual non-rearfoot strikers.
This study aimed to investigate the effects of different overground surfaces on running biomechanics of non-rearfoot strikers. Thirty-one male habitual non-rearfoot strikers were required to run at 3.3 ± 0.2 m/s on a customized runway with artificial grass, concrete, or synthetic rubber surfaces in a random order. Vertical loading rates, three-dimensional ground reaction forces (GRFs), and lower-limb joint angles and moments were compared among surfaces. Regarding kinematics, significances were only detected in maximum knee flexion angle, with greater values when running on artificial grass compared to synthetic rubber or concrete. Regarding kinetics, changes were demonstrated in GRF peaks and lower-limb joint moments. GRF peaks were significantly greater when running on synthetic rubber or artificial grass compared to concrete; lower-limb joint moments were significantly lower when running on synthetic rubber compared to concrete; these changes were inconsistent when running on artificial grass compared to concrete. Significant differences were demonstrated in running kinetics when habitual non-rearfoot strikers ran on different overground surfaces. Running on artificial grass or synthetic rubber caused greater GRFs than running on concrete. However, only synthetic rubber could reduce joint loads.
['Zhou|Wenxing|W|https://orcid.org/0000-0001-7383-8515', 'Lai|Zhangqi|Z|', 'Mo|Shiwei|S|', 'Wang|Lin|L|']
D000328:Adult D000843:Ankle Joint D001696:Biomechanical Phenomena D064368:Healthy Volunteers D006801:Humans D007700:Kinetics D008297:Male D006109:Poaceae D012408:Rubber D012420:Running D013499:Surface Properties D016474:Weight-Bearing
Running biomechanics ground reaction force joint moment footstrike patterns overground running