How can you tell the difference bewteen si joint pain and piriformis sydrome?

Examination: Physical examination by a qualified ors should be able to tell whether your pain is si joint related or due to piraformis syndrome .Si joint pain typically causes pain w/ pressure on the si joint and / or pain w/ faber maneuver. Piraformis pain is common in runners and commonly causes buttock pain and occasional sciatica ( pain down leg) from muscle pressure on the nerve.. Best of luck!