3D measurement of clavicular and scapular orientations: The association with clinical characteristics and responsiveness to scapular repositioning in patients with neck pain

•Two distinct subgroups were identified based on 3D clavicular and scapular orientations.•Prominent orientations were downward rotation (subgroup1), protraction (subgroup2).•Pain in the upper neck was more pronounced in subgroup1.•Presence of headache was higher in subgroup1.•Frequency of a positive response to scapular reposition was higher in subgroup1.