Cleft point.

bubble_chart Etymology

"Di" (地) refers to below; "ji" (機) refers to mechanism or pivot, likely referring to knee joint and the medial condyle of tibia. The acupoint is located below this area, hence the name. It is also referred to as "地箕(dìjī)" in Yixue Rumen, indicating its position below Jimen (SP11) (箕門).

bubble_chart Location

Diji (SP8) acupoint
(adapted from "Meridians and Acupoints")

• Zhenjiu Jiayi Jing: "Five cun below knee";
• Zhenjiu Juying: "In the depression below the medial supporting bone of the knee".
• Xunjing Kaoxue Bian: "One method: 5 cun below Yinlingquan (SP 9), outside the large tendon on the medial side of bone, opposite to Juxu (ST 37)." "Another method: 8 cun above medial malleolus, diverging obliquely forward by 1 cun." "Note: Diverging upward by 1 cun aligns with the classical text's description of 'crossing in front of Jueyin meridian.'"
• Yizong jinjian: "Ascending 5 cun from Lougu ( SP7)", which differs in its location description.

bubble_chart Anatomy

• Muscle: between the posterior edge of tibia and soleus muscle.
• Nerve: medial cutaneous nerve of lower leg (saphenous nerve), and tibial nerve deep behind.
• Vessels: anteriorly and posteriorly, there are great saphenous vein and terminal branches of highest genicular artery. In the deep layer, posterior tibial artery and vein.

bubble_chart Manipulation

Perpendicular insertion 0.5～1.5 cun. Moxibustion with moxa cone 3 to 5 minutes, moxibustion with moxa stick 5 to 15 minutes.

bubble_chart Efficacy

Harmonize spleen, regulate blood, regulate uterus.

• Classical: distension of qi in abdomen and ribs, edema, abdominal hardness, lack of appetite, difficulty urinating, loose stool with abdominal mass, abdominal pain, visceral bi-syndrome, lumbago, hernia, hemorrhoids, irregular menstruation, abdominal mass, nocturnal emission.
• Modern: dysmenorrheal.

bubble_chart Combinations

• Loss of appetite: Diji (SP8), Yinlingquan (SP9), Shuifen (CV9), Youmen ( KI21), Xiaochangshu (BL27).
• Hernia and abdominal mass, yin-type hernia: Chongmen (SP12), Diji (SP8).
• Irregular menstruation: Diji (SP8), Xuehai (SP10).
• Dysmenorrheal: Diji (SP8), Shenshu (BL23), Zhongji (CV3), Sanyinjiao (SP6).