Intra-cyclic velocity variation of the center of mass and hip in breaststroke swimming with maximal intensity - Gourgoulis, V.; Koulexidis, S.; Gketzenis, P.; Tzouras, G. (The Journal of Strength and Conditioning Research, 2018)
Keywords: swimming; breaststroke; biomechanics; center of gravity; velocity; load intensity; USA; endurance sports