TUTY SWARNI SINAGA; JHON ROBY PURBA. Benefits of stretching for lumbar mobility disorders at Murni Teguh Hospital Medan. International Journal of Community Service Implementation, [S. l.], v. 4, n. 1, 2026. DOI: 10.55227/ijcsi.v4i1.831. Disponível em: https://afdifaljournal.com/journal/index.php/ijcsi/article/view/831. Acesso em: 28 may. 2026.