副神经
/也被称为颅神经第十二，副神经主要被认为是一种运动神经，供应两种肌肉:胸锁乳突肌和斜方肌。胸锁乳突肌帮助你将头部转向一侧，以及将脖子向下或向一侧弯曲。斜方肌参与颈部和肩胛骨或肩胛骨的运动。斜方肌对肩膀和手臂的各种运动都很重要，比如耸肩或将手臂举过头顶。
WATCH THIS 2-MINUTE NEUROSCIENCE VIDEO TO LEARN MORE ABOUT THE ACCESSORY NERVE.","raw":false},"hSize":null,"floatDir":null,"html":"","url":"https://www.youtube.com/watch?v=e4IgAGuP_Hk","width":854,"height":480,"providerName":"YouTube","thumbnailUrl":"https://i.ytimg.com/vi/e4IgAGuP_Hk/hqdefault.jpg","resolvedBy":"youtube"}" data-block-type="32" id="block-yui_3_17_2_1_1610007339559_127248">
观看这段2分钟的神经科学视频，了解更多关于副神经的知识。
