Four-flower center (middle)

The point is 4, 5 cun below [distal to] the sì huā shàng 四花上 point, between the two tendons (muscles), or, 1.2 cun outside [lateral to] the sì huā lǐ 四花裡 point, or, 5 fen above [proximal to] the tiáo kǒu 條口 point, ST-38 (8 cun below [distal to] the eye of the knee).

Same as location