尾び骨こつ筋きん

noun

coccygeus muscle; ischiococcygeus

Anatomical term for the muscle spanning from the ischial spine to the coccyx and sacrum.

• 尾び骨こつ筋きんは骨こつ盤ばん底ていを支ささえる筋きん肉にくの一ひとつです。

  The coccygeus muscle is one of the muscles that support the pelvic floor.