SACRUM-DORSAL SURFACE ATTACHMENTS
From NeuroRehab.wiki
SUMMARY
1. The grooves between the median & lateral sacral crests are filled by the erector spinae & posterior layer of lumbar fascia.
2. Below & laterally, are attached the sacrospinous ligament & coccygeus muscle.
Image: Case courtesy of OpenStax College, Radiopaedia.org. From the case rID: 42764.
Reference(s)
R.M.H McMinn (1998). Last’s anatomy: regional and applied. Edinburgh: Churchill Livingstone. Get it on Amazon.
Drake, Richard L., et al. Gray's Anatomy for Students. Elsevier, 2023. Get it on Amazon.
