Fig. 3From: Body landmarks and genetic algorithm-based approach for non-contact detection of head forward posture among Chinese adolescents: revitalizing machine learning in medicineComparison of each angle of FHP subjects and non-FHP subjects. The FHP patients showed a smaller angle compared with the normal. NAH: Nasal-Acromion-Horizontal Angle; ENA: Ear-Nasal-Acromion Angle; PAH: Pupil-Acromion-Horizontal Angle; EAH: Ear-Acromion-Horizontal AngleBack to article page