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In Sway Back posture, which curve is typically increased?

  1. Anteroposterior curve

  2. Posterior thoracic curve

  3. Cervical curve

  4. Neutral spine curve

The correct answer is: Posterior thoracic curve

In Sway Back posture, the posterior thoracic curve is typically increased due to the backward positioning of the thoracic spine. This posture is characterized by a forward shift of the pelvis and an excessive extension in the lumbar region, resulting in a flattened or reduced lumbar curve and an exaggerated thoracic curve. This alteration in curvature leads to a more pronounced rounding of the upper back, which is a defining aspect of Sway Back posture. The thoracic spine's natural kyphosis is enhanced, leading to a greater posterior curve in that area. Understanding the mechanics of this posture is essential for identifying alignment issues and designing corrective exercise programs for clients.