The subscapularis can trigger shoulder pain and impair the biomechanics of the shoulder.
It can even contribute to a frozen shoulder.
People in which this muscle is tense, often have a “round back” and inwardly rotated shoulders.
When trigger points are present in the subscapularis muscle, they can trigger local pain in the muscle and in the shoulder. But also, other, seemingly unrelated areas of the body can be affected, and pain can be felt there.
The main area that pain is felt if the subscapularis contains active trigger points, is the shoulder blade and the back of the shoulder, right above the armpit.
Besides that, pain can radiate down the backside of the upper arm to the elbow or to the outer and inner wrist – Pain at the inner wrist is not shown in the pictures–.
Thus, is often involved in
Click on the link and learn how to relieve pain in this area.
The red color shows how common it is that pain is sent to the respective area.
The darker the red, the more common it is to experience pain if the subscapularis contains active trigger points.
If you suffer from tenderness in the subscapularis muscle you may be unable to lift your arm more than a 45° angle.
Also reaching over to your other shoulder can be a painful task.
The muscle may be just too tight, and stretching it, which is necessary for lifting your arm, is too painful because of its increased tension.