Which statement is true regarding functional scoliosis?

Functional scoliosis is often a result of poor posture, making the statement about it being linked to postural issues accurate. This type of scoliosis develops as the body compensates for a problem in the spine or a leg length discrepancy, often due to how a person holds their body in daily activities.

When the underlying cause, such as muscle imbalances or postural habits, is addressed through non-surgical means—like physical therapy, exercises to improve posture, or orthotic devices—the curvature often improves or resolves itself. This contrasts with structural scoliosis, where the curvature is more fixed and requires different treatment strategies.

The other options present conclusions that do not align with the understanding of functional scoliosis. It is not always congenital (present at birth), it does not solely require surgical intervention (as non-surgical treatments can be effective), and it does not exclusively affect the cervical spine, as it can occur in different regions of the spine based on the underlying reasons for the curvature.