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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Illustration of the arterial supply to the anterior and posterior leg, highlighting the popliteal artery and its branches.
Encyclopaedia

Anterior Tibial Artery

by Harjinder Kondole

Diagram illustrating the course and variable branching pattern of the superior thyroid artery.
Encyclopaedia

Superior Thyroid Artery

by Dr Oliver Jones

Illustration of the dorsal layer of foot muscles, including the extensor digitorum brevis and extensor hallucis brevis.
Encyclopaedia

Extensor Hallucis Brevis

by Sanya Trikha