交感肾上腺系统不能维持直立位的脑灌注压。
The sympathoadrenal system is unable to maintain cerebral perfusion pressure in the upright posture.
哑铃设置在直立位置您的膝盖上。
尝试把它和它恢复，几乎是其神奇的直立位置。
Try to push it over and it regains , almost magically its upright position.
所述上侧钉支撑表面将具有不同丝径的钉支撑在直立位置。
The upper staple supporting surface supports staples of different wire diameters in an upright position.
当交感肾上腺系统不能维持直立位的脑灌注压时，就会发生直立不耐受。
Orthostatic intolerance results when the sympathoadrenal system is unable to maintain cerebral perfusion pressure in the upright posture.
桶里的水倒在一个池子里，而之后空桶翻回到直立位置并且又一次开始蓄水。
The water is dumped out into a pool, and then the empty bucket (because it is weighted at the bottom) tips back to the upright position and begins catching water again.
请您留在座位坐好，并系好安全带，椅背保持直立位置，直到飞机完全停稳为止。
You are asked to remain seated with safety belts fastened and with seats in an upright position until the aircraft has come to a complete halt.
我可能大约一百三十零瓦特在横卧的立场，和150至170公路自行车直立位置。
I am probably somewhere around 130 watts in the recumbent position, and 150 to 170 in the upright road bike position.
结论发作性晕厥与直立位低血压是SDS的特点，肾上腺素能神经元缺失与此密切相关。
Conclusions the characteristic of SDS are paroxysmal syncope and orthostatic hypotension, which is related to the deficiency of adrenergic neuron closely.
方法采用脊柱活动节段的三维有限元模型分析了脊柱在直立位、前屈位和后伸位的应力分布情况。
Methods Stress distribution of the spine in the upright, flexion and extension positions was analyzed using a three-dimensional finite element model of the spinal motion segment.
如女性运动员，跑步较男性运动员更加采取直立位，以便更强的收缩股四头肌，这样的收缩强度同样增加韧带的压力。
For example, female athletes, who run in a more upright position than men, tend to strongly contract their quadriceps, which also increases stress on their ligaments.
结论直立位椎管造影对腰椎间盘突出的诊断可能优于CT或MRI，尤其对L4 5椎间盘突出伴有神经根受压的病例。
Conclusions Myelography in the upright standing position is perhaps superior to CT or MRI for the diagnosis of LDH, especially LDH at L4-5 with nerve root compression.
研究设计：前瞻性评估一种新的悬吊试验以确定青少年特发性脊柱侧凸(AIS)的脊柱柔韧性，并与直立位侧方推挤试验相比较。
Study Design. Prospective evaluation of a new suspension test to determine curve flexibility in adolescent idiopathic scoliosis (AIS) in comparison with erect side-bending.
一边慢慢做深吸气，一边直立身体，非常后抬起头，返回至站立位置。
As you inhale slowly and deeply, return to a standing position by rolling up slowing, lifting your head last.
一边慢慢做深吸气，一边直立身体，非常后抬起头，返回至站立位置。
As you inhale slowly and deeply, return to a standing position by rolling up slowing, lifting your head last.
应用推荐