The erector spinae is a main troublemaker when it comes to lumbar back pain.
It consists of several muscles – longissimus thoracis, iliocostalis, multifidi, rotatores – and runs on and parallel to the spine.
This muscle can be generally divided into two groups – the lateral/outer tract and the medial/inner tract.
Trigger points in the erector can give you pain all over your entire back and may even send pain to you upper leg and lower abdominal region.
It is often involved in…
For better localisation of common trigger points, just compare the trigger point number shown in the respective pain zone picture with the trigger point number shown in the muscle picture under attachment points.
This way you already have a clue where to start your search for tender spots in your muscle.
The upper Iliocostalis thoracis can create pain along the medial border of the scapula and in the lower chest.
The latter can mimic an acute angina. In case of such pain, always consult your doctor immediately to rule out serious disease.
Trigger points in the lower part of the iliocostalis thoracis can refer pain upwards and downwards as well as in the area of the outer abdomen.