Rectus tightness in Down syndrome is associated with which posture?

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Multiple Choice

Rectus tightness in Down syndrome is associated with which posture?

Explanation:
Rectus abdominis tightness acts as a strong trunk flexor. In Down syndrome, trunk extensor muscles are often relatively weak due to hypotonia, so tight abdominal muscles pull the upper body into forward flexion. This dominance of trunk flexion leads the thoracic spine to adopt a rounded, forward-curved posture—postural kyphosis. Scoliosis would involve a lateral curvature, neutral would indicate balanced tone, and lordosis would reflect an excessive inward curve of the lower back, not the forward-rounded upper back seen with rectus tightness.

Rectus abdominis tightness acts as a strong trunk flexor. In Down syndrome, trunk extensor muscles are often relatively weak due to hypotonia, so tight abdominal muscles pull the upper body into forward flexion. This dominance of trunk flexion leads the thoracic spine to adopt a rounded, forward-curved posture—postural kyphosis. Scoliosis would involve a lateral curvature, neutral would indicate balanced tone, and lordosis would reflect an excessive inward curve of the lower back, not the forward-rounded upper back seen with rectus tightness.

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