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http://dx.doi.org/10.3795/KSME-B.2017.41.3.153

Lower Extremity Biomechanics while Walking on a Triangle-Shaped Slope  

Hong, Yoon No Gregory (Dept. of Mechanical Engineering, Sogang Univ.)
Jeong, Jiyoung (Dept. of Mechanical Engineering, Sogang Univ.)
Kim, Pankwon (Dept. of Mechanical Engineering, Sogang Univ.)
Shin, Choongsoo S. (Dept. of Mechanical Engineering, Sogang Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.41, no.3, 2017 , pp. 153-160 More about this Journal
Abstract
Gait analysis has been conducted in various environments, but the biomechanics during the transition from uphill walking to downhill walking have not been reported. The purpose of this study is to investigate the knee and ankle joint kinematics and kinetics during walking on a triangle-shaped slope compared with those during level walking. Kinematic and kinetic data of eighteen participants were obtained using a force plate and motion capture system. The greater peak ankle dorsiflexion angle and moment and the peak knee extension moment were observed (p<0.05) during both uphill and downhill walking on the triangle-shaped slope. In summary, uphill walking on a triangle-shaped slope, which showed a peak knee flexion of more than $50^{\circ}$ with greater peak knee extension moment, could increase the risk of patellofemoral pain syndrome. Downhill walking on a triangle-shaped slope, which involved greater ankle dorsiflexion excursion and peak ankle dorsiflexion, could cause gastrocnemius muscle strain and Achilles tendon overuse injury.
Keywords
Gait; Kinematics; Kinetics; Knee Joint; Ankle Joint;
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