splenius muscle of head（头夹肌）是什么意思？音标发音+图解场景

头夹肌 /ˈspliːn/ n

English: splenius muscle of head · 头夹肌

释义：Muscle enabling the head to tilt sideways and to rotate; the simultaneous action of the two splenii allows the head to extend.

这个词出现在以下图解场景（1）