The C2-through-C5 spinal motion segments are located in the middle portion of the cervical spine. They include 3 separate spinal segments: C2 C3, C3 C4, and C5.
Spine Anatomy Videos
Learn about spinal anatomy and how various conditions can cause pain and discomfort.
The C5 C6 spinal motion segment helps provide neck flexibility, supports the upper cervical spine and head, and protects the spinal cord and nerve pathways.
The C6 C7 spinal motion segment helps provide neck flexibility, supports the cervical spine and head, and protects the spinal cord and nerve pathways.
The C7 T1 spinal motion segment provides minimal flexibility, supports the neck and head above, and protects the spinal cord and nerve pathways.
The L4-L5 spinal motion segment is located in the lower portion of the lumbar spine and consists of L4 and L5 vertebrae, and the anatomical structures connecting them.
See illustrations of spinal anatomy and learn about components of the spine to help you better understand various sources of back pain and other back problems.
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