坐在地板上，向前伸直腿，脚趾朝向天花板。
Sit on the floor with your legs straight out in front of you, toes pointed toward the ceiling.
训练运用股四头肌来伸直腿的最好的方法之一是腿伸直坐在地板上。
One of the best ways to start training the quads to work in the straight-knee position is by sitting on the floor with your legs stretched out straight in front of you.
一位妇女坐在公园的长椅上，她向四周看了看，没有人，决定伸直腿，躺下来休息一下。
A woman sat down on a park bench, glanced around and decided to stretch out her legs on the seat and relax.
跳水时腿要伸直。
昏迷六星期后苏醒的瑞格第一个词是“靴子”，她指的是在她腿上让她腿伸直塑料夹板，这让她感到难受。
After six weeks in a coma, Ziggy's first word was' boots', referring to the plastic splints on her calves to keep her legs straight, which hurt her.
祖父将他的长腿伸直，把他的大手伸进口袋。
Grampy stretched his long leg out straight and reached his huge hand deep into the pocket.
确诊的方法：坐下来，将一条腿伸直放在椅子上。
The sure-fire test for runner's knee: sit down and put your leg out on a chair so that it's stretched out straight.
要找到你最合适的鞋跟高度，首先脱下你的鞋子，坐在椅子上，并向前伸直一条腿。
To find your perfect heel height, take off your shoes, sit on a chair and extend one leg straight in front of you.
开始动作如图所示：两臂伸直，背部保持平直，两腿充分蹬伸，脚掌置于健身球的球体之上。
Start as shown with the arms extended, back flat, legs fully extended and the balls of the feet on the Swiss ball.
如果你的脚和你伸直的腿成直角，且没有晃荡，那么说明你有一个较低的踝关节，你穿平底鞋会比穿高跟鞋更舒适。
If your foot is at a right Angle to your outstretched leg and does not dangle, you have a low ankle-joint axis and will be more comfortable in flat shoes than in high heels.
伸直抬腿——平躺，一条腿伸直，另一条腿膝盖弯曲。
Straight leg Raises - Lie on your back with one leg straight and one knee bent.
如果它向你扑来，尽量使自己看起来尽可能的强大：挺胸，举手，伸直两腿。
If it does charge at you, try to make yourself look as large as possible: Stick out your chest, raise your arms, and spread your legs.
在这些腿伸直的体式，即使膝关节伸展，在心里你也要轻微地弯曲它们。
In these straight-legged poses, though your knees are straight, you will bend them slightly in your mind.
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.
抱压的腿迅速伸直。注意：穿紧拖鞋。
Embrace the leg unbend. Quickly pressure Note: wearing tight slippers.
慢慢伸直你的腿，直到你站直。
Gradually straighten your legs until you are standing upright.
通过每次在当秋千时的最高点伸直你的腿可以使你全身的质心升高，这样就能有效地增大你晃动时的高度。
By raising your legs at the top of each swing, you can raise the overall center of mass of your body, effectively raising the height of your swing.
股四头肌伸展直腿，使膝盖保持在伸直状态。
尽量使两膝靠近床面，结束动作后，伸直两腿，抖动放松。
Tips: try to make two genu near the surface of bed, over the two legs, shaking unbend of relaxation.
现在腿已完全伸直。
平卧曲举腿本质上就是平卧抬膝时将腿稍微伸直一点。
A bent leg raise is basically a knee raise with the legs straightened a little bit.
股直肌（穿过骨盆连结到大腿前侧的一块肌肉）与另外两块肌肉共同作用使腿伸直。
One of the muscles that crosses the hip and runs down the front of the thigh- the rectus femoris- work in concert with the other two muscles to stabilize the leg.
虽然她的身体检查路线，我提醒她她的腿伸直，推对地面和掖在她的下巴。
While checking her body alignment, I reminded her to straighten her legs, to push against the floor and to tuck in her chin.
伸直的外侧腿可以在过弯时承受更大的力量。
Straighter (more extended) outside leg creates a much stronger, biomechanically sound position that helps to withstand huge forces produced in modern turns.
吸气同时滑动伸直外侧腿。
所有的入水动作都是身体笔直并与水面垂直，两腿并拢，脚趾用力伸直。
The entry into water shall in all cases be vertical with the body straight, the feet together and the toes pointed.
最后，他总算让两条腿站住了，接着又花了一分钟左右的工夫把它们伸直，以使他能够像一个人那样站得笔直。
When he finally gained his feet, another minute or so was consumed in straightening up, so that he could stand erect as a man should stand.
坐在椅子上伸直一条腿，默数5下再放下，另一条腿重复动作。
Straighten one leg when sitting on a chair and hold for the count of 5. Repeat with other leg.
坐在椅子上伸直一条腿，默数5下再放下，另一条腿重复动作。
Straighten one leg when sitting on a chair and hold for the count of 5. Repeat with other leg.
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