How to perform a deep tissue massage on the shoulder?

How to perform a deep tissue massage on the shoulder?

Why do I get lumps between my shoulder blades? They lie between the shoulder blades and can become overstretched in postures that round the shoulders forward. Excessive computer sitting can tire these muscles, causing them to respond by tightening (the “knot”) and developing trigger points (overly sensitive areas of the muscle). What causes lumps between…