Table 2.

The location, regional anatomy, and innervation of basic acupoints for male infertility.

Acupoint	Code	Location	Muscle	Innervation
Guanyuan	CV4	3 cun below the center of the umbilicus on the lower abdomen and on the anterior midline	Fibrous tissue, linea alba	L1
Shenshu	BL23	Under the 2nd spinous process of lumbar vertebra, next to 1.5cun	Erector spinae	L1
Mingmen	DU4	Below spinous process of 2nd lumbar vertebra	Erector spinae	L2
Sanyinjiao	SP6	3 cun proximal to the medial malleolus	Mm. flexor digitorum longus, tibialis posterior	L4–5, S1–2
Taixi	KI3	In depression between tip of medial malleolus and tendocalcaneous	Achilles tendon and plantaris tendon flexor pollicis longus	S2–3
Zusanli	ST36	3 cun below ST35, one finger- breadth from the anterior crest of the tibia, (front ridge of tibia), between fibula and tibia	Anterior tibial muscle, Extensor digitorum longus	L4–5, S1–2