If this lumpy sound occurs during massage, it mostly suggests a strain of the trapezius muscle. This strain of the trapezius muscle will often manifest as pain in the scapula and, at a later stage, because of the proliferation of fibrous tissue, a scar will be formed, often this popping sound occurs during massage, which is mainly due to the proliferation of fibrous tissue and the formation of the scar, at a later stage, it often also leads to adhesions, adhesions The worst consequence is that it often leads to limited movement of the shoulder joint. In this case, massage can be used to loosen the adhesions by flicking the adhesions. In addition, for this kind of scar adhesions, you can also consider needle knife release, the effect of needle knife release for this kind of scar adhesions is immediate.