被测者挺胸直立,头部以眼耳平面定位,眼睛平视前方,肩部放松,上肢自然下垂,手伸直,手掌朝向体侧,手指轻贴大腿侧面,自然伸直膝部,左、右足后跟并拢,前端分开,使两足大致呈45°夹角,体重均匀分布于两足
于此同时,我们的直立姿势使得气管和食管出于一个近乎垂直的位置。
Simultaneously, our upright posture put the trachea and esophagus in a near-vertical orientation.
因此这些发现告诉我们感知运动对我们的直立姿势是关键。
These findings therefore show that sensing movement is crucial for our upright posture.
当鱼鳔膨胀时,会增加天然浮力助,帮助鱼类在水中保持直立姿势。
When inflated, the bladder serves as a natural buoyancy aid, keeping the fish upright in the water.
应用推荐