Nam, Ki-Seok. “EFFECT OF THREE DIFFERENT SCAPU- LAR POSITIONS ON ISOMETRIC STRENGTH AND MUSCLE ACTIVITY RA- TIO OF SERRATUS ANTERIOR IN SUB- JECTS WITH SCAPULAR WINGING”. International Journal of Psychosocial Rehabilitation, vol. 24, no. 8, Oct. 2020, pp. 2073-86, https://doi.org/10.61841/sefp0e13.