Kuśmierczyk, W. et al. 2026. FINGER TRAINING ON A HANGBOARD: EFFECTIVENESS, SAFETY, AND PREVENTION OF OVERUSE INJURIES IN ROCK CLIMBERS – A NARRATIVE REVIEW. International Journal of Innovative Technologies in Social Science. 2, 3(51) (Aug. 2026). DOI:https://doi.org/10.31435/ijitss.3(51).2026.6017.