Bones of the Abdomen

Overview

The lumbar spine forms the supportive posterior boundary of the abdomen and plays a key role in weight-bearing and movement. This section introduces its structural features and regional organisation.

Key Structures

Coverage includes the vertebral structure, intervertebral joints and supporting ligaments of the lumbar spine, highlighting their functional adaptations.

Clinical Relevance and Learning Focus

Understanding lumbar anatomy is essential for assessing back pain, nerve compression, spinal trauma and regional anaesthesia. This foundation supports safe examination and imaging interpretation.

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The Lumbar Spine

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Sagittal section illustration of the dural venous sinuses and the great cerebral vein.
Blood Vessels and Cerebrospinal Fluid

The Dural Venous Sinuses

by Dr Charissa Jansen

Illustration of the tendinous borders of the anatomical snuffbox, highlighting key tendons.
Anatomical Areas

The Anatomical Snuffbox

by Dr Oliver Jones

Illustration of the obturator canal, showing the obturator membrane within the obturator foramen of the pelvis.
Encyclopaedia

Obturator Artery

by Charlotte Eeckelers