Methods HLA-B27 detection was made in 328 patients with AS, 1113 patients with waist-back-leg ache and 40 healthy individuals.
方法：应用流式细胞仪法对328例AS患者1、113例腰背腿疼患者和40例健康体检人员进行了HLA-B27抗原检测。
The scientists say that the back-leg push-off must have evolved first, with the ability to rotate and land softly evolving later.
科学家表示，后腿起跳这个动作必然比四肢交替摆动、轻盈落地的能力进化更早。
After eight weeks, Clara and her mom take Phillip back to the vet, who says that his leg is healthy again.
八周后，克拉拉和她的妈妈带菲利普去兽医那里复查，兽医说菲利普的腿又恢复健康了。
To stand, you have to tense your leg muscles, and engage the muscles of your back and shoulders; while standing, you often shift from leg to leg.
要站起来，你必须使你腿上的肌肉拉紧，你背上和肩上的肌肉也要参与；站着的时候，你的腿常常会转来转去。
As you stand, maintain the natural curve in your lower back and keep your core muscles tight. Use your leg muscles - not your back - to lift the object.
在你站起来的时候，继续保持腰背部的自然曲线，保持收紧你的核心肌肉。用你的腿部肌肉——不是背部——去抬起物品。
For example, to stretch your quadriceps, lie on your right side and grasp your left ankle with your left hand, pulling your ankle toward the back of your leg.
举个例子，为了伸拉你的股四头肌，先向右侧卧，然后用你的左手抓住你的左脚踝，将你的脚踝向你的腿后侧提拉。
Achilles tendinitis is inflammation of the Achilles (uh-KIL-eez) tendon, the band of tissue that connects calf muscles at the back of the lower leg to your heel bone.
阿基里斯腱炎(译者：跟腱炎)是阿基里斯腱发生的炎症反应，阿基里斯腱是指将小腿后部的腓肠肌连接到跟骨上的一条组织。
Take a step by pushing upwards through the glute (bottom) muscle of your back leg.
后腿大腿肌肉发力推起你的身体顺势向前迈一步。
Having suffered a head injury on United's summer tour of the United States and a knock to his shin against Chelsea last week, Hernandez is now back on the treatment table with a dead leg.
小豌豆已经是接连受伤，不仅在曼联的美国夏季巡回赛中头部受创，还在上周对阵切尔西时筋骨受伤，如今又带着腿伤重返伤兵名单。
"No way we are turning back," said a friend of his as he massaged that wounded leg.
“我们没有退路，”在他按摩伤腿时，他的一个朋友说。
The female lioness was injured in the back leg and looked as if it had tried to attack the buffalo previously and was injured in the process.
雌狮的后退受了伤，很明显她曾袭击过水牛，在袭击过程种受的伤。
Pitchford points out several form faults: "You want to keep your back straight and not allow the knee to drift forward ahead of the stance leg.
Pitchford指出许多种错误动作： “你应该保持背部挺直，膝盖不应该向前超过支撑腿。
Peeling back his trouser leg, he showed the doctor the wound.
他把裤腿翻起来，给医生看伤口。
Use your leg muscles - not your back - to lift the object.
用你的腿部肌肉——不是背部——去抬起物品。
If you have sciatica, this will be very painful, marked by a burning sensation or a feeling of electric shock down your leg or in your upper back.
如果你有坐骨神经痛，那么这会让你疼痛难忍，这个感觉类似于燃烧或者电击，会从你的腿一支传导到你的背部上方。
As your left leg slides back your right arm should swing forward.
当你的左脚向后滑时，你的右手臂就得向前摆。
Nerve damage, chronic back or leg pain - even epileptic seizures and Parkinson's disease: the smart chip could potentially address almost any problem associated with pain and the spinal cord.
对于神经损伤，慢性的后背或腿脚疼痛，甚至癫痫发作和帕金森症，这种智能芯片都能潜在地对抗几乎所有关联到疼痛和脊髓的任何疾病。
Following the chymopapain injection, the patient may experience increased back pain for several days to several weeks but may have immediate relief of leg pain.
注射木瓜凝乳蛋白酶后，病人可体验到腰部有几天或几周的加重，但小腿疼痛却很快消失。
Most important, weak growth prepares the ground for a second leg down, back into recession — the "W-shaped" recession that may emerge in late 2010 or 2011 that markets seem to have forgotten about.
最重要的是，乏力的增长总是为第二轮下跌，也就是重回衰退预备场地——“W”型的衰退或许会在2010年或2011年出现，市场似乎已经忘记了这一点。
Bend the front knee, keeping the back leg straight, press the right heel down on the floor.
前腿膝关节弯曲，后腿保持绷直状态，右脚后跟贴紧地面并向下压。
Below is how I spent four of those days, biking anywhere from 15 to 40 miles a day and making it back to my base well before any leg cramps set in.
以下写的是我如何度过其中四天的，一天骑行15到40英里去任意地方，并赶在腿要抽筋之前回到我的基地。
Your guy lies on his back, one leg outstretched and the other bent, knee pointing upward.
让你的男伴躺下，一条腿伸向一旁，另一条腿弯曲，膝盖朝上。
Raising the back leg will be easy if the upper body is used correctly.
如果上身姿势正确的话，将后腿向上抬高，这个体式会容易一些。
Sitting at a desk all day also puts you at risk of back pain, particularly if you sit with poor posture, leg cramps, tense muscles and, of course, boredom.
整天坐在桌前也让你有背痛的风险，尤其是当你坐姿不良，腿抽筋，肌肉紧张还有无聊时。
Straight leg Raises - Lie on your back with one leg straight and one knee bent.
伸直抬腿——平躺，一条腿伸直，另一条腿膝盖弯曲。
A mother carried her son, who was on crutches due to an injured leg, on her back through the debris-lined path to the informal school site, where he was reunited with his classmates and friends.
一个孩子因为脚受伤而拄拐，母亲背着他穿过废墟中的道路来到临时学校，他在这里又能和同学朋友们重聚了。
A mother carried her son, who was on crutches due to an injured leg, on her back through the debris-lined path to the informal school site, where he was reunited with his classmates and friends.
一个孩子因为脚受伤而拄拐，母亲背着他穿过废墟中的道路来到临时学校，他在这里又能和同学朋友们重聚了。
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