1. This paper validated the centrode of six-bar mechanism was similar to circle center curve for different bending radius of the femur, and introduced the gait analysis of knee joint of six-bar mechanism in normal movement to provide theoretical design foundation for developing a new knee joint.
验证了六杆机构的瞬心线与股骨骼不同的弯曲半径圆心线轨迹相似，阐述了机械六杆机构膝关节在正常运动中的步态分析，为研制新型膝关节提供了一定的理论设计基础。
2. The larger that circle is, the more flexion of your knee and thigh muscles will be needed to turn the cranks.
合适的曲柄长度：使你的膝盖屈伸幅度在20度角左右。
1. Woods was delighted to visit the winner's circle again in only his third tournament since coming back from reconstructive knee surgery.