Osteology Of Sacrum : Anatomy

📌𝐅𝐨𝐥𝐥𝐨𝐰 𝐨𝐧 𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦 :- / drgbhanuprakash
Anatomy of Sacrum
Landmarks
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Dorsal surface:
- 3 crests: median crest (due to fusion of spinous processes S-S3), intermediate crest (due to fusion of articular processes L5-S4), lateral crest (due to fusion of transverse processes)
- 4 pairs of posterior sacral foramina
Pelvic surface:
- transverse lines (fused intervertebral discs of sacral vertebrae)
- sacral promontory (posterior margin of the pelvic inlet)
- 4 pairs of anterior sacral foramina
Lateral surface - articulates with ilium
Base - articulates with L5
Apex - articulates with coccyx
Joints
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Lumbosacral joint - between the superior auricular process of sacrum and inferior articular facets of L5
Sacrococcygeal joint - between the apex of the sacrum and the base of the coccyx
Sacroiliac joint - between lateral sacral surface and iliac articulation surface
Muscle attachments
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Pelvic surface: piriformis, iliacus, coccygeus muscles
Dorsal surface: erector spinae aponeurosis, gluteus maximus muscles
#sacrum #OsteologyOfSacurm #sacrumosteology #anatomyofsacrum

[@samreenshaikh9160]

excellent 👍

[@doctorbhanuprakash]

Thank you! Cheers!

[@HazratUllah-fo9ms]

Outstanding mam❤❤❤

[@doctorbhanuprakash]

Thank you! Cheers!

[@manikandan.g4164]

Thank u so much mam

[@doctorbhanuprakash]

Most welcome 😊

[@jyothidaya202]

Mdm garu..my sacrum ala s1 s3 fucture how many days recovery plz tell me

[@woundedblood]

It need to cross croce likes

[@HazratUllah-fo9ms]

Outstanding mam❤❤❤

[@doctorbhanuprakash]

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