Effect of wrist-ankle acupuncture on propofol dosage during painless colonoscopy: A randomized controlled prospective study

Figure 2 Schematic diagram of the needling position for wrist-ankle acupuncture. Superior 1: In front of the ulnar margin on the little finger side, the most depressed part when pressed with the thumb; Superior 2: In the center of the front of the wrist, between the palmaris longus tendon and the flexor carpi radialis muscle tendon, i.e. the Neiguan point; Superior 3: On the lateral side of the radial artery; Superior 4: On the radius margin of thumb when keeping the palm of the hand inward; Superior 5: On the center of the back of wrist, i.e. Waiguan point; Superior 6: On the dorsum of ulnar margin on the side of little finger; Inferior 1: In the inner edge of the Achilles tendon; Inferior 2: In the medial side adjacent to the posterior border of tibia; Inferior 3: At the site one transverse finger inward from the front of tibia; Inferior 4: At the midpoint of the anterior margin of tibia and anterior margin of fibula; Inferior 5: In the lateral side adjacent to the posterior border of tibia; Inferior 6: In the outer edge of the Achilles tendon.