Pain is felt unilaterally in the upper scapular area, mostly of the dominant shoulder.1 It is activity-related: neck movements as well as shoulder girdle or arm movements may be of influence. So are prolonged postures such as sitting with the head in slight flexion as happens during computer work.
Disorders of the contractile structures
Pain on resisted elevation
Lesion of the levator scapulae muscle
of the contractile structures
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