THE CHANGE OF UPPER TRAPEZIUS AND SERRATUS ANTERIOR FOR VISUAL INFORMATION DURING SHOULDER FULL FLEXION IN FORWARD HEAD POSTURE: PRELIMINARY STUDY

Abstract

The purpose of this study was to identify the effects of visual information for head
posture on muscle activity of upper trapezius and serratus anterior and a ratio of serratus
anterior to upper trapezius during shoulder full flexion test in subjects with forward head
posture.