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Table 2 Locations and manipulations of the acupuncture points selected in this study

From: Multimodal brain imaging effect of “Adjust Zang-fu and Arouse Spirit” electroacupuncture on diabetic cognitive impairment: study protocol of a randomized, sham-controlled pilot trial

Group Acupoints Location Manipulation
“Adjust Zang-fu and Arouse Spirit” electroacupuncture group Baihui (GV20) In the head, the front of the forehead is straight up to 5 cun Subcutaneous insertion to a depth of 0.5-0.8 cun (12.5–20 mm) with manipulation for the de-qi
Shenting (GV24) In the head, the front of the forehead is straight up to 0.5 cun Subcutaneous insertion to a depth of 0.5–0.8 cun (12.5–20 mm) with manipulation for the de-qi
Feishu (BL13) In the spinal region, under the spinous process of the third thoracic vertebrae, 1.5 cun beside the posterior midline Oblique insertion to a depth of 0.5–0.8 cun (12.5–20 mm) with manipulation for the de-qi
Pishu (BL20) In the spinal region, under the spinous process of the 11th thoracic vertebrae, 1.5 cun beside the posterior midline Oblique insertion to a depth of 0.5–0.8 cun (12.5–20 mm) with manipulation for the de-qi
Shenshu (BL23) In the spinal region, under the spinous process of the second lumbar spine, 1.5 cun beside the posterior midline Puncture perpendicularly to a depth of 0.5–1.0 cun with manipulation for the de-qi.
Zusanli (ST36) Three inches below the patella between the anterior tibia and the extensor digit rum longus muscle Puncture perpendicularly to a depth of 1–1.5 cun with manipulation for the de-qi
Sanyinjiao (SP6) On the medial side of the leg, 3 cun above the tip of the medial malleolus, posterior to the medial border of the tibia Puncture perpendicularly to a depth of 1.0 cun with manipulation for the de-qi
Hegu (LI4) On the back of the hand, at the midpoint of the radial side of the second metacarpal bone Puncture perpendicularly to a depth of 0.5–1.0 cun with manipulation for the de-qi
Taichong (LR3) In the posterior recess of the 1st metatarsal space Puncture perpendicularly to a depth of 0.5–0.8 cun (12.5–20 mm) cun with manipulation for the de-qi
Sham-electroacupuncture group Beside GV20 It is 0.5 cun (12.5 mm) to the right of GV20 Needled through adhesive pads to the skin (for the fixation of needles) without penetrating the skin and manipulation for the de-qi
Beside GV24 It is 0.5 cun (12.5 mm) to the right of GV24 Needled through adhesive pads to the skin (for the fixation of needles) without penetrating the skin and manipulation for the de-qi
Beside BL13 It is located 1 cun outside BL13 Needled through adhesive pads to the skin (for the fixation of needles) without penetrating the skin and manipulation for the de-qi
Beside BL20 It is located 1 cun outside BL20 Needled through adhesive pads to the skin (for the fixation of needles) without penetrating the skin and manipulation for the de-qi
Beside BL23 It is located 1 cun outside BL23 Needled through adhesive pads to the skin (for the fixation of needles) without penetrating the skin and manipulation for the de-qi
Beside ST36 It is located 1 cun backward of ST36 Needled through adhesive pads to the skin (for the fixation of needles) without penetrating the skin and manipulation for the de-qi
Beside SP6 It is located 1 cun backward of P6 Needled through adhesive pads to the skin (for the fixation of needles) without penetrating the skin and manipulation for the de-qi
Beside LI4 It is located 1 cun in front of LI4 Needled through adhesive pads to the skin (for the fixation of needles) without penetrating the skin and manipulation for the de-qi
Beside LR3 It is located 1 cun backward of LR3 Needled through adhesive pads to the skin (for the fixation of needles) without penetrating the skin and manipulation for the de-qi