Rojano Ortega, D.; Betanzos López, B. (2014). Análisis cinemático en 2D de las salidas de agarre y de atletismo en natación. Journal of Sport and Health Research. 6(2):151-158.



Nowadays, the grab and the track start represent the main start techniques in competitive swimming. The results obtained in the studies which have analysed the differences or advantages of one type of start over the other remain inconclusive. The aim of this study was to find significant differences between certain kinematic variables of the grab start and the track start to determine which start is more efficient. The sample consisted of 20 regional level swimmers. Their ages ranged from 13 to 16 years. Ten swimmers performed the grab start and the other ten performed the track start. The starts were recorded with a digital video camera (JVC/GZ-MC500E, 50 Hz). The sequences were analysed with a video based motion analysis software (Skillspector v. 1.2.4). Significant differences were found between the two start types only in the block time. These results support the idea that none of those starts have an advantage over the other. It would be advisable to enhance the practice of both of them in order to decide properly which one suits better the characteristics of the swimmer.  




video-analysis, grab start, track start. 


Journal of Sport and Health Research - 2009