coccygeus muscle; ischiococcygeus
Anatomical term for a muscle of the pelvic floor, also known as the ischiococcygeus. Used in medical contexts.
See also: 尾骨筋
The coccygeus muscle is one of the pelvic floor muscles.
尾骨筋 is a shorter synonym for the same muscle, while 坐骨尾骨筋 explicitly includes the ischial attachment.
Standard kanji spelling using 坐 (sit).
Variant using 座 (seat), also encountered in medical contexts.
From 坐骨 (ischium) + 尾骨 (coccyx) + 筋 (muscle), describing its attachments.