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  • Title: [Dynamic loads at knee joint of trans-tibial amputee on different terrains].
    Author: Jia X, Zhang M, Fan Y, Wang R.
    Journal: Sheng Wu Yi Xue Gong Cheng Xue Za Zhi; 2005 Apr; 22(2):221-4. PubMed ID: 15884522.
    Abstract:
    Dynamic loads at knee joint of amputee are fundamental for rehabilitation of knee injury and prosthesis design. In this paper, a 3-D model for calculation of dynamic load at knee joint of trans-tibial amputee was developed. Gait analysis was done on three terrains including normal level walking, upstairs and downstairs. Dynamic loads at knee joint were calculated during one gait cycle. The results show that gait patterns and dynamic loads at knee joint were different among these three terrains. Although the general waveforms were about the same, the motion range of knee joint, ground reaction forces and loads at knee joint when walking upstairs or downstairs were larger than those in a normal level walking. The quantitative findings provide the theoretical basis of gait analysis and prosthesis design for trans-tibial amputee.
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