Salsabila, S.N. and Naufal, A.F. 2025. Immediate effect of thoracic spinal manipulation versus passive stretching on upper trapezius pain in university students: A randomized controlled trial. Physical Education and Sports: Studies and Research. 4, 3 (Nov. 2025), 250-265. DOI:https://doi.org/10.56003/pessr.v4i3.634.