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The cervical curve refers to the natural inward curvature of the neck region of the vertebral column in humans. This curve, along with the thoracic and lumbar curves, helps the spine to support body weight and absorb shock during movement.

Deviations from the normal spinal curvature are known as curvature of the spine. These include:
* Lordosis: An increased inward curve in the lumbar (lower back) region.
* Kyphosis: An increased outward curve in the thoracic (upper back) region, often called a hunchback.
* Scoliosis: A sideways curvature of the spine, which often involves two compensatory curves.

These conditions can result from various factors, including muscle development, leg length discrepancies, or diseases affecting the vertebrae. Treatment varies depending on the cause and may involve surgery, braces, or exercises.

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