There is an inherent relationship between the upper body and lower body. The points in these combinations are from either the same channel or different channels.
Selecting corresponding superior and inferior points works to regulate the ascending and descending qi in the channels.
Selection of corresponding superior and inferior points on the same channel is the key to maintaining regularity of qi and blood flow in the channels. For example,
Renying ( ST9 ) Fenglong( ST40 )
Fengehi (GB31) Xuanzhong ( GB39 )
Tianzhu (BLIO) Kunlun ( BL60 )
With regard to selecting corresponding superior and inferior points on different channels, this method works to maintain the descending and ascending functions of qi and blood throughout the entire body. For example,
Baihui ( DU20 ) Yongquan ( KI1 )
Shuigou / Renzhong ( DU26 )
Huiyin (RN1)