Effect of progressive muscle relaxation on pain threshold and effectiveness of footballers` training - Jaworska, L.; Hawrylak, A.; Burzynski, B.; Szczepanska-Gieracha, J. (Human Movement, 2015)
Keywords: soccer; junior elite sport; juniors; load; muscle; relaxation; method; training; pain; perception; Germany; biological and medical sciences; sport games; junior sports