and midpoint of posterior heel border (Fig. 2-28).
Indications: Mental diseases, hysteria, leg spasms, and mania.

(41) Quanding acupoint (EX-PF 41) :
Location: On the plantar side of foot, 1 cun anterior to the junction of anterior two-fifths and posterior three-fifths of a line connecting the tip of 2nd toe and midpoint of posterior heel border (Fig. 2-28).
Indications: Hysteria, mental diseases, leg spasms, and mania.

(42) Sibai acupoint at heel (EX-PF 42) :
Location: On the plantar side of foot, at the junction of the midline of sole and a line drawn from the midpoint of a

connecting line between the tip of lateral malleolus and heel tendon (Fig. 2-28).
Indications: Prolapse of anus, bed-wetting, headache, convulsions in children, hemiplegia, cerebrospinal meningitis, foot drop, and regurgitation of milk in babies.

(43) Medial and lateral Ququan acupoints (EX-PF 43) :
Location: They are on the plantar side of foot. A horizontal line is drawn 3 cun anterior to Sibai acupoint at heel (EX-PF 42), the junction of this line with medial bordor of sole is the medial Ququan acupoint, and the junction of this line with later-al border of sole is the lateral Ququan acupoint (Fig. 2-28).
Indications: Talipes valgus, talipes varus, and paralysis of legs.