Samkova O, Fendel T, Zubkova S. Assessment of the effectiveness of the application of isometric exercises in the special strength preparation of qualified volleyball players. TPPC [Internet]. 2026 Sep. 1 [cited 2026 Oct. 15];(8):26-9. Available from: http://tpfk.ru/index.php/TPPC/article/view/1747