Regio vertebralis – Anatomy of the Vertebral Region
The regio vertebralis is the anatomical term for the vertebral region of the back. It covers the central strip of the back running along the spinous processes of the spine.
Things worth knowing about "Regio vertebralis"
The regio vertebralis is the anatomical term for the vertebral region of the back. It covers the central strip of the back running along the spinous processes of the spine.
What is the Regio vertebralis?
The regio vertebralis (Latin for vertebral region) is an anatomical term used in topographic anatomy. It refers to the median longitudinal strip of the back that lies directly over the spinous processes of the vertebral column. This region extends from the cervical spine down to the sacrum and forms the central axis of the human body.
In clinical examinations, the regio vertebralis serves as an important reference point for assessing the spine, paravertebral musculature, and surrounding structures.
Anatomical Location and Boundaries
The regio vertebralis is part of the dorsal trunk regions and is bordered on both sides by the regio paravertebralis, which encompasses the musculature lateral to the spine. In a broader sense, it belongs to the dorsal trunk surface, which includes the following regions:
- Regio cervicalis posterior – posterior neck region
- Regio thoracis posterior – posterior thoracic region
- Regio lumbalis – lumbar region
- Regio sacralis – sacral region
The precise boundaries of the regio vertebralis may vary slightly depending on the anatomical school of thought, but it is consistently defined as the midline strip along the processus spinosi (spinous processes).
Clinical Significance
The regio vertebralis has considerable clinical relevance, as it is a common site of pain and pathological changes. Conditions typically localized to this region include:
- Back pain (dorsalgia): acute or chronic pain along the vertebral column
- Intervertebral disc disease: disc protrusions or herniations
- Spondylarthrosis: degenerative changes of the vertebral joints
- Scoliosis: lateral curvature of the spine
- Kyphosis and lordosis: sagittal plane deformities of the spine
- Inflammatory conditions: e.g., ankylosing spondylitis
- Osteoporosis-related vertebral fractures
Examination of the Regio vertebralis
Clinical assessment of the regio vertebralis involves several approaches:
Inspection
The physician evaluates posture, symmetry, and any visible spinal curvatures. Skin or soft tissue changes visible in this area may indicate underlying pathology.
Palpation
Targeted palpation of the spinous processes and paravertebral muscles allows the clinician to identify tenderness, muscle tension, and malalignment.
Functional Assessment
Spinal mobility is assessed using standardized tests, such as the Schober test, which evaluates lumbar spine flexion range of motion.
Imaging
For further diagnostic workup, imaging modalities such as X-ray, computed tomography (CT), or magnetic resonance imaging (MRI) are used to visualize bony and soft tissue structures of the spine in detail.
Key Anatomical Structures of the Regio vertebralis
The regio vertebralis contains and borders numerous important structures:
- Vertebral column (columna vertebralis): consisting of 7 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 4 coccygeal vertebrae
- Intervertebral discs (disci intervertebrales): shock-absorbing structures between vertebral bodies
- Spinal cord (medulla spinalis): the central nervous system structure running through the vertebral canal
- Spinal nerve roots: nerve fibers exiting through the intervertebral foramina
- Ligaments: anterior and posterior longitudinal ligaments, ligamenta flava
- Deep back muscles: autochthonous muscle groups for stabilization and movement of the spine
References
- Schünke M., Schulte E., Schumacher U. – Prometheus Atlas of Anatomy: General Anatomy and Musculoskeletal System. Thieme, Stuttgart, 5th edition 2018.
- Standring S. (ed.) – Gray's Anatomy: The Anatomical Basis of Clinical Practice. Elsevier, 42nd edition 2020.
- Moore K. L., Dalley A. F., Agur A. M. R. – Clinically Oriented Anatomy. Wolters Kluwer, 8th edition 2018.
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