Liwen Xu, Dae-Hyun Kim, and Tae-Ho Kim, “THE CHANGE OF UPPER TRAPEZIUS AND SERRATUS ANTERIOR FOR VISUAL INFORMATION DURING SHOULDER FULL FLEXION IN FORWARD HEAD POSTURE: PRELIMINARY STUDY”, J Arch.Egyptol, vol. 17, no. 10, pp. 903-908, Dec. 2020.