Fig. 3From: Instant analgesic effect of radial extracorporeal shock wave therapy on primary dysmenorrhoea according to functional magnetic resonance imaging: study protocol for a randomised placebo-controlled trialTreatment site of the abdominal muscle fascia trigger point. The blue dots, the rectus abdominis attachment point is located above the pubic symphysis (bilateral); the yellow dots,the intersection of the anterior superior iliac spine with the outer edge of the rectus abdominis (bilateral); the red dots, the anterior superior iliac spine moving inward about 2 cm along a straight line (bilateral)Back to article page