- May 2, 2026The psoas fascia encloses the psoas major and minor muscles, forming the posterior wall of the retroperitoneal compartment. It attaches…
- May 2, 2026The iliac fascia covers the iliacus muscle on the inner surface of the iliac fossa, continuous superiorly with the psoas…
- May 2, 2026The intertransverse ligaments of the lumbar spine have tendinous components connecting adjacent transverse processes, supplementing the intertransversarii muscles. The lateral…
- May 2, 2026The rotatores thoracis attach by short tendons from the transverse process of one thoracic vertebra to the base of the…
- May 2, 2026The semispinalis thoracis inserts via tendinous slips into the spinous processes of C6-T4 from origins on the transverse processes of…
- May 2, 2026The deepest fibres of the lumbar multifidus attach via short, stout tendinous bands directly to the laminae of the vertebrae,…
- May 2, 2026The intertransversarii muscles connect adjacent transverse processes via short tendinous bands, stabilising the lateral lumbar column during lateral flexion. They…
- May 2, 2026The longissimus thoracis attaches caudally to the posterior surface of the sacrum and posterior iliac crest via a broad, medially…
- May 2, 2026The spinalis is the medial column of the erector spinae, attaching to the spinous processes of the upper lumbar and…
- May 2, 2026The quadratus lumborum attaches inferiorly to the iliolumbar ligament and iliac crest via a broad tendinous layer, and superiorly to…