Table 1

Acupuncture points and location

CV-3Anterior midline, 1 cun* proximal to the symphysis. Insertion depth; perpendicularly 0.5–1 cm.
CV-4Anterior midline, 1 cun proximal to CV-3 and 3 cun inferior to the umbilicus. Insertion depth; perpendicularly 0.5–1 cm.
LR-8Medial side of the knee, in the depression anterior/medial to the tendons of semimembranosus and the semitendinosus muscles, at the medial end of the popliteal crease. Insertion depth; perpendicularly 1.5–2 cm.
SP-9Under the medial condyle of tibia in a depression between the posterior tibia and m. gastrocnemius. Insertion depth; perpendicularly 2–3 cm.
SP-6Three cun proximal to the prominent part of the medial malleoli, on the medial and posterior border of the tibia. Insertion depth; perpendicularly 1–3 cm.
  • *A cun is an acupuncture measurement unit. One cun corresponds to the width of the study subject’s thumb.