Table 1.

The Location and Innervation of Basic Acupoints for PD

Acupoint	Code	Location	Innervation
Taichong	LR3	Located between the first and second metatarsal bones, positioned just below the head (caput) of the metatarsal	S2–3
Taixi	KI3	In depression between tip of medial malleolus and tendocalcaneous	S2-3
Zusanli	ST36	3 cun inferior to ST35, with a distance of approximately one finger-breadth from the anterior border of the tibia, situated between the fibula and tibia.	L4-5, S1-2
Baihui	DU20	Located atop the head, 5 cun above the posterior hairline, approximately centered along the line connecting the tips of both auricles (outer ears)	C2–3
Fengchi	GB20	Positioned on the head, aligned horizontally with the superior margin of the external occipital protuberance	C2–3
Hegu	LI4	Situated on the back of the hand, located radially from the midpoint of the second metacarpal bone	C5-T1
Quchi	LI11	Located on the outer side of the elbow, precisely at the midpoint of the imaginary line connecting LU5 with the lateral epicondyle of the humerus bone	C5-C8, T1
Wangu	GB12	In the anterior region of the neck, in the depression posteroinferior to the mastoid process	C2–3
Yanglingquan	GB 34	Positioned on the fibular side of the leg, within a depression located anteriorly and distally to the head of the fibula bone	L4-5, S1-2
Tianzhu	BL10	Located at the back of the neck, aligned horizontally with the superior edge of the spinous process of the second cervical vertebra, found within a depression lateral of the trapezius muscle	C2–3