The anterior Chapman point for the upper lung is located at which intercostal space?

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Chapman points are small, tender fascia reflex points used in OMM to reflect visceral status and guide treatment. For the lungs, the anterior points lie along the chest wall in specific intercostal spaces, with the upper lung corresponding to the 3rd intercostal space. This location sits near the sternum along the midclavicular region and aligns with the anterior surface of the upper lung lobe. Tenderness here can point to involvement of the upper lung tissue and can respond to targeted somatic treatment that influences the autonomic input and lymphatic drainage in that area. The 2nd intercostal space is more associated with structures higher up in the chest, and the 4th intercostal space maps to regions closer to the lower portions of the lung, so they are less specific for the upper lobe. The posterior point for the upper lobe sits at about the T3 paraspinal level, providing a complementary reference.