PREVALENCE OF GENERALISED JOINT HYPERMOBILITY IN RELATION TO SELECTED MEDICAL AND TRAINING INDICATORS IN SWIMMERS: RANDOMISED CONTROL STUDY. - RADLIŃSKA, Natalia; BAC, Aneta; ZAWADA, Kamil; ZALEWSKI, Mateusz; WOŹNIACKA, Renata (South African Journal for Research in Sport, Physical Education & Recreation, 2019)