结果显示，相比其他双腿都灵巧的鹦鹉，明显偏向使用某一侧腿的鹦鹉的解谜速度要快得多。
The results showed that the parrots with the strongest foot preferences worked out the puzzle far more quickly than their ambidextrous peers.
支撑腿的另一侧腿屈膝90度。现将屈腿伸直，将对侧腿抬起，抬止髋的高度，保持单腿在做抬腿时的平衡。
Now straighten the leg, driving up with the opposite knee to hip height, so that you are balancing on one foot on the step.
通常情况下，这意味着靠近攀岩绳一侧的腿要保持挺直。
Usually, this means a straight leg on the side of the rope going to the climber.
坐骨神经痛典型的感觉在身体的一侧，包括腿和足的疼痛、无力、针刺感以及麻木。
Sciatica symptoms are typically felt on only one side of the body. They may include a combination of leg and foot pain, weakness, tingling or numbness.
另一边尝试同样的动作。把向下打腿和另一侧手臂的伸展滑行联系起来。
Try the same thing on the right side. Connect the opposite arm & leg to synchronize the downbeat kick and the extension to skate.
两腿并拢，轻微斜向一侧。
两腿并拢，细微斜向一侧。
由于骸关节的特殊生理结构决定其可以绕支撑腿一侧支点做三轴运动。
Because of the special structure of hip point, the hip can make 3-axis movement around supporting leg.
由于骸关节的特殊生理结构决定其可以绕支撑腿一侧支点做三轴运动。
Because of the special structure of hip point, the hip can make 3-axis movement around supporting leg.
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