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Body Atlas, Bursa Reference

Bursae

Bursal reference, location, adjacent structures, clinical significance, and bursitis presentations.

20 bursae

20 bursae in Lower Back Clear ×

Bursa Erector Spinae Aponeurosis Bursa bursa aponeurosis musculi erectoris spinae Lower Back A bursa between the erector spinae aponeurosis and the posterior iliac crest where the aponeurosis attaches,… Bursa Iliac Crest Posterior Periosteal Bursa bursa periostei cristae iliacae posterioris Lower Back A periosteal bursa over the posterior iliac crest near the posterior superior iliac spine (PSIS), developing… Bursa Iliolumbar Bursa bursa iliолumbalis Lower Back A bursa located between the iliolumbar ligament and the adjacent iliac crest, reducing friction at the… Bursa Interlaminar Lumbar Bursa bursa interlaminae lumbalis Lower Back A small bursal space between adjacent lumbar laminae covered by the ligamentum flavum, present in the… Bursa Interspinous Bursa bursa interspinalis Lower Back Interspinous bursae develop between adjacent lumbar spinous processes, particularly at L3-L4 and L4-L5, in response to… Bursa L5-S1 Facet Bursa bursa articulationis zygapophysealis L5-S1 Lower Back The L5-S1 zygapophyseal bursa is the most commonly symptomatic lumbar facet bursa, located at the junction… Bursa Lumbar Supraspinous Bursa bursa supraspinalis lumbalis Lower Back A small bursa between the supraspinous ligament and the overlying skin at the lumbar spinous processes,… Bursa Lumbar Zygapophyseal Bursa bursa articulationis zygapophysealis lumbalis Lower Back Small synovial bursae associated with the capsules of the lumbar facet (zygapophyseal) joints, particularly L4-L5 and… Bursa Multifidus Origin Bursa bursa originis musculi multifidi Lower Back Small bursae at the deep laminar and mammillary process origins of the multifidus, reducing friction as… Bursa Piriformis Origin Bursa bursa originis musculi piriformis Lower Back A small bursa between the anterior surface of the piriformis muscle at its sacral origin and… Bursa Psoas Fascial Compartment Bursa bursa compartimenti fasciae psoae Lower Back A potential bursal space between the psoas fascia and the overlying retroperitoneal connective tissue, forming the… Bursa Quadratus Lumborum Iliac Insertion Bursa bursa insertionis m. quadrati lumborum Lower Back A small bursa at the iliac insertion of the quadratus lumborum, where the muscle attaches to… Bursa Quadratus Lumborum Origin Bursa bursa originis musculi quadrati lumborum Lower Back A periosteal bursa at the origin of quadratus lumborum on the posterior iliac crest and iliolumbar… Bursa Sacral Hiatus Bursa bursa hiatus sacralis Lower Back A small bursa at or adjacent to the sacral hiatus between the sacrococcygeal ligament and the… Bursa Sacrococcygeal Bursa bursa articulationis sacrococcygeae Lower Back A bursa at the sacrococcygeal joint between the apex of the sacrum and the first coccygeal… Bursa Sacroiliac Joint Capsular Bursa bursa capsulae articulationis sacroiliacae Lower Back A bursa within the posterior sacroiliac joint capsule, associated with the complex synovial and fibrocartilaginous SI… Bursa Sacrospinous Ligament Bursa bursa ligamenti sacrospinosi Lower Back A potential bursal space associated with the sacrospinous ligament where it passes adjacent to the ischial… Bursa Sacrotuberous Ligament Periosteal Bursa bursa ligamenti sacrotuberalis Lower Back A small periosteal bursa at the sacral attachment of the sacrotuberous ligament, between the thick ligament… Bursa Thoracolumbar Fascia Bursa bursa fasciae thoracolumbalis Lower Back A bursa between the layers of the thoracolumbar fascia, particularly between the posterior and middle layers… Bursa Thoracolumbar Junction Bursa bursa juncturae thoracolumbalis Lower Back A potential bursal space at the thoracolumbar junction (T12-L1) between the overlying posterior thoracolumbar fascia and…