TY - RPRT TI - The effects of a 6-week core exercises on swimming performance of national level swimmers AU - Karpinski, J. AU - Rejdych, W. AU - Brzozowska, D. AU - Gołas, A. AU - Sadowski, W. AU - Swinarew, A. S. AU - Stachura, A. AU - Gupta, S. AU - Stanula, A. PY - 2019 DO - 10.1101/2019.12.19.882126 UR - https://www.biorxiv.org/content/10.1101/2019.12.19.882126v1 ID - 10.1101/2019.12.19.882126 ER -