Effects of Posture Correction Exercise on Muscle Activity It is possible to have both anterior head and anterior shoulder postures simultaneously. Anterior head posture, which is defined as flexion of the lower cervical spine combined with the extension of the upper cervical spine, and anterior shoulder posture, defined as an abduction–protraction combination of the scapula, are combined to form a forward head with rounded shoulder posture (FHRSP).
Source: Physical Therapy in Fort Lee NJ
