Sphincter Ani Trigger Point Diagram

The sphincter ani is shown alongside the levator ani, coccygeus, and obturator internus.

Symptom Area: 
Primary Symptoms: 
Secondary Symptoms: 

Secondary Symptoms

The X's represent the Trigger Points. There is no difference between the black and white X’s. The red shaded area is the referred pain caused by the Trigger Point and the darker red means more people experienced pain in that area.