BL42 (Pohu, “Soul Door”) is the Back-Shu of Lung point of the Bladder Meridian. It is located on the upper back, 3 cun lateral to the lower border of the spinous process of the third thoracic vertebra (T3), at the level of BL13 (Feishu). It regulates lung qi, calms the spirit, strengthens the back.
On the upper back, 3 cun lateral to the lower border of the spinous process of the third thoracic vertebra (T3), at the level of BL13 (Feishu).
Oblique insertion 0.5-1.0 cun. Caution for pneumothorax.
Regulates lung qi, calms the spirit, strengthens the back.
Pulmonary tuberculosis, cough, asthma, stiffness and pain of the neck and back.
As the Back-Shu point of the Lung, Pohu is crucial for regulating Lung Qi, addressing respiratory issues like cough, asthma, and shortness of breath, especially when related to deficiency. It also has a profound effect on calming the spirit, making it useful for emotional imbalances like grief or sadness associated with Lung disharmony. Clinically, it is often used to strengthen the back and support the Lung's energetic function.
BL42 is one of 67 points on the Bladder Meridian. Nearby points:
BL42 (Pohu) is located on the upper back, 3 cun lateral to the lower border of the spinous process of the third thoracic vertebra (T3), at the level of BL13 (Feishu).
BL42 regulates lung qi, calms the spirit, strengthens the back. Common clinical indications include pulmonary tuberculosis, cough, asthma, stiffness and pain of the neck and back.
Oblique insertion 0.5-1.0 cun. Caution for pneumothorax. Caution: ⚠ Pneumothorax risk: oblique/shallow only, never deep perpendicular over the chest wall.
BL42 is a point on the Bladder Meridian (Zú Tài Yáng Páng Guāng Jīng).