STRENGTH TRAINING OF ENDURANCE ATHLETES: INTERFERENCE OR ADDITIVE EFFECTS. A REVIEW 10. travnja 2020. | Franjo Lovrić Vladimir B. Issurin1, Vladimir I. Lyakh2, Jerzy Sadowski3 1Elite Sport Department at the Wingate Institute, Netanya, Israel 2University School of Physical Education, Cracow, Poland 3Józef Piłsudski University of Physical Education, Warsaw, Poland