The levator scapulae muscle is located at the side and back of the neck. It is one component of the muscular system of the shoulder. Its primary function is to lift the scapula, which is the ...

Table 1 shows demographics, clinical and work-related characteristics of the participants. The duration and intensity of reported neck/shoulder pain was high, and participants spent most of their ...

A muscle spasm — also known as a charley horse, muscle cramp or twitch — is a sudden, involuntary movement in one or more muscles. Common causes include stress, exercise, or dehydration, but nerve ...