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Table 3 Acupoints and needle insertion procedures

From: Efficacy evaluation and mechanism study of electroacupuncture intervention in acute phase of IFP: study protocol for a randomized controlled trial

Acupoints

Direction

Depth (mm)

SJ17 (Yifeng, affected side)

Obliquely upward between the styloid and mastoid

10 mm

GB2 (Tinghui, affected side)

Perpendicular to the skin

10 mm

GB14 (Yangbai, affected side)

Horizontally toward the geisoma

20 mm

EX-HN4 (Yuyao, affected side)

Horizontally toward GB14 (Yangbai)

10 mm

EX-HN16 (Qianzheng, affected side)

Obliquely toward the mouth

10 mm

ST2 (Sibai, affected side)

Obliquely toward the pupil at an angle of 75°

10 mm

SI18 (Quanliao, affected side)

Perpendicular to the skin

15 mm

ST4 (Dicang, affected side)

Perpendicular to the skin

15 mm

LI4 (Hegu, affected side)

Perpendicular to the skin

20 mm

Ashi points (around the orbicularis oculi and orbicularis oris muscle, affected side)

Horizontally with low angle

10 mm