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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Diagram illustrating the course of the anterior interosseous nerve, a branch of the median nerve.
Encyclopaedia

Anterior Interosseous Nerve

by Max Bidewell and Kumail Jaffry

Illustration of the tensor fascia lata and iliotibial tract anatomy.
Encyclopaedia

Tensor Fascia Lata

by Dr Oliver Jones

Illustration of intraperitoneal and retroperitoneal organs for anatomical reference.
Areas of the Abdomen

The Peritoneum

by Katie O'Neill