Physio says SI joint pain can cause nerve pain down leg and be reason for my pins n needles it foot, doc says pain doesn't go below knee, who's right?

SI joint pain & nerv. Normally SI joint pain does not radiate to the foot. I would not generally guess that SI joint pain and nerve dysfunction occurred together. http://www.spine-health.com/conditions/sacroiliac-joint-dysfunction/sacroiliac-joint-dysfunction-si-joint-pain.