| Spinal Terminology | Number of Vertebrae | Area of Body | Abbreviation |
| Cervical | 7 | Neck | C1-C7 |
| Thoracic | 12 | Chest | T1-T12 |
| Lumbar | 5-6 | Low back | L1-L5 |
| Sacrum | 5 fused vertebrae | Pelvis | S1-S5 |
| Coccyx | 3 | Tailbone | None |
Cervical Vertebrae
The cervical spine breaks down into two parts. The upper cervical C1 and C2, and the lower cervical C3 through C7. The C1 vertebrae are known as the Atlas and the C2 the Axis. The Occipital Bone is a flat bone that forms the back of the head.Atlas
The Atlas is the first cervical vertebra and is abbreviated as C1. This vertebra supports the skull. It appears different from the other spinal vertebrae, as it resembles a ring and is made up of two masses joined at the front and back by the anterior and posterior arches.Axis
The Axis is the second cervical vertebra and is abbreviated C2. It is a tooth-like process that projects upward. It is referred to as the odontoid process or dens, which is Latin for tooth. It provides a kind of pivot and collar that allows the head along with the atlas to rotate.Thoracic Vertebrae
The thoracic vertebrae become larger from T1 through T12. What makes the thoracic spine unique is that it is the only vertebrae that support the ribs and is made up of pedicles, spinous processes, and large neural passageways that help reduce nerve compression. Unfortunately, not everyone has a large intervertebral foramen, which can cause compression.- Vertebral Body
- Spinous Process
- Transverse Facet
- Pedicle
- Foramen
- Lamina
- Superior Facet
Lumbar Vertebrae
The lumbar vertebrae increase in size from L1 through L5. These are the vertebrae that take the body’s weight along with any loading force that can create biomechanical stress. The pedicles are longer and wider than the thoracic spine pedicles, and the spinous processes are horizontal and more square. The neural passageway is large but nerve root compression is very common due to disc herniation from poor posture, prolonged sitting, improper lifting, etc.Vertebrae’s Purpose
The vertebrae range in size with the cervical region being the smallest. The lumbar low back region is the largest. The vertebral bodies of the spinal column are what bear the weight. The body’s upper weight is dispersed through the spine to the sacrum and pelvis. Thee natural curves in the spine provide resistance, flexibility by distributing the body’s weight, and axial loads/forces sustained when in motion. Vertebrae are made up of many elements critical to the overall function of the spine. This includes the intervertebral discs and facet joints. Functions of the spinal/vertebral column include:| Protection | Spinal Cord Internal Organs |
| Attachment | Ligaments Muscles Tendons |
| Support Structure | Head Shoulders Chest Connect Upper and Lower body Balance |
| Mobility and Flexibility | Extension – bending backward Flexion – bending forward Side bending Rotation Combination |
| Other | The bones produce red blood cells Stores minerals |
Sacrum
The sacrum is located behind the pelvis. It consists of five bones that are abbreviated S1 through S5. They are fused together in a triangular shape. The sacrum fits between the hipbones and connects the spine to the pelvis. The last vertebra L5 moves with the sacrum. Right below are five more bones that are also fused together and they form the Coccyx or tailbone.Intervertebral Discs
The intervertebral discs make up a quarter of the spinal/vertebral column’s length. There are no discs between the Atlas, Axis, and Coccyx. Discs are not connected to the body’s vascular system and so depend on the endplates to disperse essential minerals and nutrients. The cartilaginous layers keep the discs in place. They are fibrocartilaginous cushions that function as the spine/body’s shock absorbers. They protect the vertebrae, brain, nerves, etc. There is some vertebral motion that the discs allow but individual disc movement is limited. Significant motion is possible when the discs work together.Annulus Fibrosus and Nucleus Pulposus
Intervertebral discs are made up of an annulus fibrosus and a nucleus pulposus. The annulus fibrosus is a strong radial structure made up of lamellae. Concentric sheets of collagen fibers connect to the endplates. These sheets are positioned at various angles. The annulus fibrosus encapsulates the nucleus pulposus. Both are made up of water, collagen, and proteoglycans. However, the larger amount of water and proteoglycans are in the nucleus pulposus. Proteoglycan molecules are essential because they attract and retain water. The nucleus pulposus consists of a hydrated gel-like substance that resists compression. The amount of water in the nucleus changes throughout the day. This depends on the activity or non-activity. All in all proper care and maintenance of the spinal/vertebral column is vital to general health and overall well-being.Car Accident Chiropractic Rehabilitation
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The information herein on "The Spinal/Vertebral Column" is not intended to replace a one-on-one relationship with a qualified health care professional or licensed physician and is not medical advice. We encourage you to make healthcare decisions based on your research and partnership with a qualified healthcare professional.
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Welcome to El Paso's Premier Wellness and Injury Care Clinic & Wellness Blog, where Dr. Alex Jimenez, DC, FNP-C, a Multi-State board-certified Family Practice Nurse Practitioner (FNP-BC) and Chiropractor (DC), presents insights on how our multidisciplinary team is dedicated to holistic healing and personalized care. Our practice aligns with evidence-based treatment protocols inspired by integrative medicine principles, similar to those on this site and on our family practice-based chiromed.com site, focusing on naturally restoring health for patients of all ages.
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Dr. Alex Jimenez DC, MSACP, APRN, FNP-BC*, CCST, IFMCP, CFMP, ATN
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Dr. Alex Jimenez, DC, APRN, FNP-BC*, CFMP, IFMCP, ATN, CCST
(Board Certified: Family Practice Nurse Practitioner—Multistate)*
(Licensed Nurse Practitioner & Chiropractor - Multistate)*
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Dr. Maria Cardenas, MD
(Board Certified: Internal Medicine)
(Licensed Medical Doctor)
Medical Director, Clinical Director & Collaborative Physician
NPI # 1164426748
MD License #: J2933
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MD: Medical Doctor
DC: Doctor of Chiropractic
APRNP: Advanced Practice Registered Nurse
FNP-BC: Family Practice Specialization (Multi-State Board Certified)
FNP-BC: Family Practice Across Life Span (Neonatal to Geriatrics)
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- The Family Nurse Practitioner (FNP) promotes, maintains, and restores health for individuals and families across the lifespan. FNPs also identify health risks, promote wellness, and diagnose and manage acute and chronic illness.
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TCA: Texas Chiropractic Association: Member ID: 104311
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TNP: Texas Nurse Practitioner Association ID: 2025091511
AANP: American Association of Nurse Practitioners: Member ID: 2198960
ANA: American Nurses Association: Member ID: 06458222 (District TX01)
| Primary Taxonomy | Selected Taxonomy | State | License Number |
|---|---|---|---|
| No | 111N00000X - Chiropractor | NM | DC2182 |
| Yes | 111N00000X - Chiropractor | TX | DC5807 |
| Yes | 363LF0000X - Nurse Practitioner - Family | TX | 1191402 |
| Yes | 363LF0000X - Nurse Practitioner - Family | FL | 11043890 |
| Yes | 363LF0000X - Nurse Practitioner - Family | CO | C-APN.0105610-C-NP |
| Yes | 363LF0000X - Nurse Practitioner - Family | NY | N25929 |
| Yes | 363LF0000X - Nurse Practitioner - Family | NM |
90560 |
| Yes | 363LF0000X - Nurse Practitioner - Family | GA | GAA-NP005701 |
Dr. Alex Jimenez, DC, APRN, FNP-BC*, CFMP, IFMCP, ATN, CCST
(Board Certified: Family Practice Nurse Practitioner—Multistate)*
(Primary Care Across Lifespan—Neonatal / Pediatric / Adult / Geriatrics)
(Licensed Nurse Practitioner & Chiropractor - Multistate)*
Clinical Director
Digital Business Card
NPI: 1205907805
Dr. Maria Cardenas, MD
(Board Certified: Internal Medicine)*
(Licensed Medical Doctor)*
Medical Director, Clinical Director & Collaborative Physician
NPI # 1164426748
MD License #: J2933
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