脊柱后伸肌群解剖结构特点。
于是一个两臂后伸，身带披纱的女神像飘然而至。
So, after a stretch arms and body with mantillas floated to the goddess.
于是一个两臂后伸，身带披纱的女神像飘然而至。
Then, after a stretch arms and body like a goddess with a veil floating in the air over the region.
椎弓根和椎弓峡部在压力和后伸负荷下等效应力较高。
Higher equivalent stress was found when compression and extension loadings were applied to the pedicle of vertebral arch and interarticularis.
髓核摘除模型在前屈、后伸、旋转时小关节的应力均增加。
Both facet joints, especially the left of the intact model produced larger stresses in right rotation.
正常生理状态下斜扳，后伸位应力大于前屈位而小于自然中立位。
Under normal physiologic condition, the stress in posterior extension is greater than that in anterior flexion, but less than in neutral position.
结果：两者在前屈后伸、左右侧弯和左右旋转运动范围上有显著差异。
Results: The movement of flexion, extension, lateral curvature and rotation had obviously differences between two groups.
肩关节上举外展、外旋、后伸内旋活动角度均有明显增大（P<0.05）。
Results: The pain and movements of shoulder in nearly all the directions in both groups were obviously improved (P<0.05).
目的探讨颈椎病患者颈椎后伸和前屈肌群最大随意收缩力矩的特征和推拿对其的影响。
Objective To explore the characteristics of maximal voluntary contraction torque of neck muscles in patients with cervical spondylosis and the intervention mechanism of massage.
择期进行后伸截骨术时，医生持住患者头部进行“折骨”，临时造成不稳定颈椎骨折。
In elective extension osteotomies, the surgeon manipulates the head to generate osteoclasis, temporarily producing an unstable cervical fracture.
结果 患者左肾静脉近肾段内径扩张 ，血流速度减慢 ，尤其在脊柱后伸位时加重。
Results The proximal left renal vein expanded and its flow velocity was slower, especially in upstanding posture.
本组资料共有4类20种异常姿势，以下肢交又、尖足、头不稳定和上肢后伸等最常见。
Among 20 kinds of abnormal postures of 4 types, lower limb across, tip foot, head shaking and upper-limb back stretching were the most common.
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.
作者认为，椎弓峡部裂实质上主要是由局部应力增高而引起的疲劳骨折，而腰椎后伸与其关系最为密切。
The authors conclude that spondylolysis is mainly the fatigue fracture due to locally increased stress and is contributing most by backward extension of lumbar spine.
门厅的长椅上，一只浑身结着白霜的野兔伸开四肢匍匐在那儿，前腿前伸，后腿后伸。我又惊又喜地盯着它，摸着它。
Sprawled on a bench in the vestibule lies a hare, whitened with frost, front legs thrust forward and hind legs backward.
结果：两组颈部及脊柱周围软组织压痛均有明显改善（P<0.05），治疗后两组颈前屈、后伸、左右侧屈及左右旋转活动度加大（P<0.05）。
Results:Surrounding soft tissues tenderness of neck and spinal were obviously improved (P<0.05). ROM of neck in both groups after therapy were improved as well(P<0.05).
运用颈椎周围不同肌肉对颈椎作用力的变化，模拟正常活动范围内颈椎前屈、后伸、侧屈、旋转等多种工况。分别计算并得出相应载荷下钩椎关节、小关节应力值。
With the changing of muscular force, the movements such as flexion, extension, lateroversion and rotation were imitated, and the stress was calculated under different loads, respectively.
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。
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.
我起床后好好伸了个懒腰。
到达位置后，轻轻向后仰头，伸舌到稍微超过下唇。
Once you're in position, slightly tilt your head back and extend the tip of your tongue just past your bottom lip.
腰椎后前的刚度之间的关系非最大活性的肌肉和腰伸肌。
The relationship between submaximal activity of the lumbar extensor muscles and lumbar posteroanterior stiffness.
心脏停搏三天后运动反射消失或伸肌反射亢进是预后不良另一个有力判断依据。
Absent or extensor motor responses three days after cardiac arrest are another strong predictor of poor outcome.
人发及羊毛等角蛋白纤维经拉伸—定形处理后，其强伸性能发生了一定的变化。
The strength and extension property of keratin fibers such as wool and human hair change a lot after stretching setting treatment.
结果表明，聚丙烯与较高熔体流动速率的聚乙烯共混后，其型坯直径膨胀的变化范围较宽，垂伸较明显。
The results showed that the swelling range of parison diameter of pp blended with higher MFR PE is wider and its parison sag is more apparent.
收腿时要使小腿藏在你的大腿后。做这个动作的时候手仍然要尽量前伸。
Recover your legs with your calves hidden behind your thighs while continuing to extend your hands forward.
结果表明，本次大暴雨是0418号热带气旋在福建登陆后，其北伸倒槽与西风带弱冷空气结合所产生的热带气旋远距离暴雨。
The result shows that the heavy storm is caused by the interaction between 0418 tropical cyclone trough landed in Fujian Province and a weak cool front in the westerlies.
目的探讨髌骨切除后加强伸膝肌力的方法。
Objective Study on how to strengthen knee extension function following patellectomy.
在体研究手舟骨骨折后屈-伸和桡-尺偏运动时的三维运动学变化，为临床诊治提供理论指导。
To accurately quantify three-dimensional in vivo kinematics of fractured scaphoid in wrist flexion-extension and radial-ulnar deviation, and to provide the theoretic proofs to clinical application.
在体研究手舟骨骨折后屈-伸和桡-尺偏运动时的三维运动学变化，为临床诊治提供理论指导。
To accurately quantify three-dimensional in vivo kinematics of fractured scaphoid in wrist flexion-extension and radial-ulnar deviation, and to provide the theoretic proofs to clinical application.
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