Posture Status Differences Between Preschool Boys and Girls.

Similarly, research on postural differences across multiple age groups (5–8, 9–11, and 12–14 years) [ 22 ] revealed a negative trend of increasing postural deformities associated with higher BMI, with boys showing a higher prevalence of thoracic kyphosis and shoulder girdle asymmetry, whereas girls exhibited a greater tendency toward lumbar lordosis and pelvic rotation.

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