Shuigou(GV26)isalsocalledRenzhong,locatinginthephiltrum,thejunctionofthesuperior1/3andthemiddle1/3.Itisoftenappliedtotreattheacutediseasesandsymptoms.Withregardtoacutelumbarsprainandacuterigidneck,Shuigou(GV26)functionstorelaxthemusclesandtendonsandbenefitthespinalcolumn.ItissaidinOdeoftheEssentialsofUnerstanding(TongXuanZhiYaoFu):'Shuigou(GV26)relievesthestiffnessandpainofthespinalcolumnanderectormuscleofspine.'ItissaidinSongsoftheJadeDragon(YuLongFu):'Forstiffnessandpainofspineandback,
