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Types of thoracic sagittal balance and scapular protraction and rotation (A–C). (A) Normal scapular protraction and rotation <45°. (B) Increased scapular protraction and rotation. (C) Severe scapular protraction and rotation >45°. (Figure reused from the article of Bauer et al. [4]. Adapted from the article of Moroder et al. [2].
