The spine is one of the most essential structures in the human body, providing stability, flexibility, and protection for the delicate spinal cord. Understanding the anatomy of the spine can help you appreciate its crucial role in movement, support, and overall health.
At Orthopedic Specialists & Sports Medicine, serving Granville and Coshocton, Ohio, our team specializes in diagnosing and treating spinal conditions. Contact us today to see how we can help!
The spine is a complex structure composed of bones, joints, discs, ligaments, and nerves. It runs from the base of the skull to the pelvis and houses the spinal cord, which serves as a major communication pathway between the brain and the rest of the human body.
The spinal cord serves a critical role within the central nervous system, transmitting signals that control movement, sensation, and reflexes throughout the entire human body.
The spine is made up of the following key structures:
The spine is made up of individual vertebrae, each consisting of:
Together, these components protect the spinal canal and allow controlled motion between adjacent vertebrae.
Located between adjacent vertebral bodies, intervertebral discs act as shock absorbers. Each disc contains:
These discs help distribute load, support body weight, and maintain flexibility.
Small joints that connect vertebrae and allow movement.
The spinal cord runs from the skull to the lumbar region of the spine. It passes through the middle part of each vertebra, called the central canal. Nerves extend out from the spinal cord through openings in the vertebrae called invertebral foramina. These nerves relay messages between the brain and muscles.
From the lower back, the spinal cord continues as nerve roots. These nerve roots are called the cauda equina. They also exit the spinal canal to relay messages between the brain and surrounding soft tissues.
The spinal column consists of 33 vertebrae divided into five regions.
The cervical spine contains seven vertebrae (C1–C7), known as the cervical vertebrae. Some features of the cervical spine include the following:
The thoracic spine consists of twelve thoracic vertebrae (T1–T12). Some features of the thoracic spine include the following:
The lumbar spine consists of five lumbar vertebrae (L1–L5). Some features of the lumbar spine include the following:
The vertebral column plays a vital role in maintaining overall body function. Its primary functions include:
The spine supports the upper body, maintains posture, and evenly distributes body weight across the pelvis and lower limbs.
Movement is made possible by facet joints, discs, and muscles. The transverse and spinous processes serve as attachment points for muscles that stabilize and move the spine.
The spine protects the spinal cord and spinal nerves, ensuring proper communication within the central nervous system.
Intervertebral discs act as natural shock absorbers, helping protect the spine during walking, lifting, and impact activities.
At Orthopedic Specialists & Sports Medicine, we understand how vital a healthy spine is to your quality of life. From degenerative conditions and congenital abnormalities to sports injuries and nerve compression, our team provides expert diagnosis and treatment tailored to your needs.
If you’re experiencing neck or back pain, numbness, or limited mobility, don’t wait. Early care can prevent long-term damage and restore function. Contact our offices in Granville or Coshocton today to schedule an evaluation and take control of your spine health.
Medically reviewed by Eric Erb, MD
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The spinal cord serves as the primary communication pathway between the brain and the rest of the body, controlling movement, sensation, and reflexes as part of the central nervous system.
The human spine contains 33 vertebrae, including cervical, thoracic, lumbar, sacral, and coccygeal segments, with some vertebrae fused in adulthood.
Spinal stenosis is often caused by age-related changes such as disc degeneration, thickened ligaments, or bone spurs that narrow the spinal canal and compress nerves.
Intervertebral discs consist of a soft, gel-like nucleus pulposus surrounded by a tougher outer layer. They function as shock absorbers between adjacent vertebrae.
Maintaining good posture, strengthening core muscles, staying active, and seeking early treatment for pain are key to long-term spine health.
