Lie on the bed and lift your leg at the Angle of 45 degree, then bent your knees slowly and then return to the original position. Repeat this move for 100 times.

平躺在床上，提起腿到45角位置，再慢慢地弯曲膝盖，然后恢复到最初的平躺状态，这样是1轮，重复这个运动100次。

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Navigation systems allow the surgeon to detect and set the version of the injured leg at the desired Angle.

导航系统让外科医生发觉并调整受伤大腿到自己想要的角度。

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The Secret is the correct functioning of the right leg, with emphasis on maintaining the angle of the right knee on the back and forward swings.

那个秘密就是关于他的右腿，强调在上杆和下杆时维持右膝关节的角度。

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