这一段写得好!
图2.7。如果我们从中立(A)的两个下肢骨骼开始,我们有六种运动选择。如果它们都以相同的速度(B)朝相同的方向运动,关节就没有相对的变化或运动。创建相对侧膝关节旋转,我们要么内侧股骨旋转(C)或胫骨外侧旋转(D)。如果两个骨头,我们可以得到相同的关系在膝关节由股骨旋转远和/或快于胫骨(E)。如果胫骨远/更快,创建相对横向旋转的膝盖(F),即使真正的运动是在同一个方向E .如果两个骨头走在相反的方向(G),相对运动将由远端骨移动的方向来定义。注意:关节处的关系是由身体远端骨的位置来定义的,除非涉及到脊柱时,在那里是由上位骨来定义关系。
Figure 2.7. If we start with the two lower limb bones in neutral (A), we have six options for movement. If theyboth move in the same direction and at the same real speed (B), there is no relative change or motion at thejoint. To create relative lateral rotation at the knee joint, we either medially rotate the femur (C) or laterally rotate the tibia (D). If both bones move, we can get the same relationship across the knee by the femur rotating farther and/or faster than the tibia (E). If the tibia moves farther/faster, relative lateral rotation is created at the knee (F), even though the real motion is in the same direction as in E. If both bones go in opposite directions (G), the relative motion will be defined by the direction in which the distal bone moved. Note: the relationship at the joint is defined by the position of the distal bone in the body except when referring to the spine, where it is the superior bone that defines the relationship.
图2.7。如果我们从中立(A)的两个下肢骨骼开始,我们有六种运动选择。如果它们都以相同的速度(B)朝相同的方向运动,关节就没有相对的变化或运动。创建相对侧膝关节旋转,我们要么内侧股骨旋转(C)或胫骨外侧旋转(D)。如果两个骨头,我们可以得到相同的关系在膝关节由股骨旋转远和/或快于胫骨(E)。如果胫骨远/更快,创建相对横向旋转的膝盖(F),即使真正的运动是在同一个方向E .如果两个骨头走在相反的方向(G),相对运动将由远端骨移动的方向来定义。注意:关节处的关系是由身体远端骨的位置来定义的,除非涉及到脊柱时,在那里是由上位骨来定义关系。
Figure 2.7. If we start with the two lower limb bones in neutral (A), we have six options for movement. If theyboth move in the same direction and at the same real speed (B), there is no relative change or motion at thejoint. To create relative lateral rotation at the knee joint, we either medially rotate the femur (C) or laterally rotate the tibia (D). If both bones move, we can get the same relationship across the knee by the femur rotating farther and/or faster than the tibia (E). If the tibia moves farther/faster, relative lateral rotation is created at the knee (F), even though the real motion is in the same direction as in E. If both bones go in opposite directions (G), the relative motion will be defined by the direction in which the distal bone moved. Note: the relationship at the joint is defined by the position of the distal bone in the body except when referring to the spine, where it is the superior bone that defines the relationship.
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