Is there a relationship between the trapezius muscle and sleeping posture?
The trapezius muscle may be related to sleeping posture, but it could also be caused by other factors. The specific analysis is as follows:
Since the trapezius muscle is located subcutaneously in a triangular area of the neck and back, lying on one side for prolonged periods during sleep may result in continuous pressure on one shoulder. This can obstruct blood circulation in the neck and shoulder region, causing the trapezius muscle on one side to stretch and the opposite side to shorten. Over time, this may lead to trapezius muscle imbalances. However, such issues may also arise from long-term heavy physical labor, which can damage local muscle tissue, soft tissues, ligaments, and other structures.
Trapezius muscle discomfort can be alleviated through treatments such as manual therapy and massage, which help promote local blood circulation and relieve symptoms.