The Back

Overview

The back provides the central support for the body and protects the spinal cord. This section introduces the structure and function of the vertebral column, paraspinal muscles and associated ligaments, establishing the framework for understanding posture and movement.

Key Structures

Topics include the vertebrae and intervertebral joints, the spinal cord and meninges, and the superficial and deep muscle layers. Diagrams and clinical notes highlight key anatomical relationships that underpin spinal movement and neural protection.

Clinical Relevance and Learning Focus

Mastering spinal anatomy supports diagnosis and treatment of back pain, disc herniation and spinal cord injury. The section links anatomy with biomechanics and clinical practice, helping learners interpret examination findings and imaging with precision.

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Bones

  • The Vertebral Column

Muscles

  • The Intrinsic Back Muscles
  • The Superficial Back Muscles
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Nerves

  • The Spinal Cord

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Diagram illustrating the recurrent branch of the median nerve, highlighting its origin distal to the carpal tunnel and its innervation of the thenar muscles in the hand.
Encyclopaedia

Recurrent Branch of Median Nerve

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Anatomy diagram illustrating the cutaneous nerves of the foot, highlighting the distribution of the dorsal cutaneous nerves.
Nerves of the Lower Limb

The Deep Fibular Nerve

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

Extensor Hallucis Brevis

by Sanya Trikha