Sentences with phrase «tight piriformis by»

Tight piriformis by itself can cause the pain in the butt, but the situation becomes worse if it presses on the sciatic nerve that passes underneath (and for some people right through) the piriformis muscle.

Not exact matches

But one of the important factors that contributes to a tight piriformis is the lack of hip internal rotation, often caused by lack of core strength, decreased iliacus firing and decreased arch strength.

While this can be caused by tight muscles, it can also occur by external irritation, such as sitting in the same position (while driving, for example) and irritating both the sciatic nerve and piriformis muscle.