Flexor Digitorum Superficialis Trigger Point Diagram

This diagram also shows the triggerpoint and referred pain for the flexor digitorum profundus.
 

Symptom Area: 
Forearm & Hand Pain
Primary Symptoms: 
Secondary Symptoms: 

Secondary Symptoms

None

Flexor Digitorum Superficialis (Wikipedia)

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.