Durgunsu sprint kayak tekniğinin 3 boyutlu kinematik analizi
Özet
The purpose of this study was to investigation of 3d kinematic analysis during 200m flatwater sprint kayak paddling technique. Therefore it was examined the ergometer performance of the beginning and end of the paddling techniques to determine the kinematic differences and examine their relationship with the stroke performances. Twelve kayakers (9 male and 3 female) from Turkish National Team were participated to this study as voluntarily. It was asked to kayakers to perform 200m maximal paddling performances. Before the test appropriate warming time was given to all participants and then reflector markers were attached to their selected joints. During this time the field calibration was done for the cameras area to calculate the parameters. When the kayakers were ready, the tests were started and performances were recorded to the computer directly. All kinematic variables from catching phase and aerial/pushing phase of the beginning and end of the paddling techniques were calculated by using SPSS 18.0 (SPSS Inc., Chicago, IL, USA) programme according to X-Y-Z axis. Findings of the study showed that, significant increases were found in upper extremity joints at the beginning and ending of the performance ((p<0.05). Also in lower extremity; there were significant differences and fluctuatios were determined almost all phases close to the axis, at the beginning and ending of the performance ((p<0.05). Additionally, determination of kinematic variable to was an important performance criterion that influence of kayakers' average velocity, total race time and stroke frequency. In conclusion, upper limbs may seem to take an important place to accelerate the boat during stroke phase but it should be noted that the creation of a chain movements from the lower limbs and to apply this movements during paddling technique, kayakers should stay away from inconsistent movements and keep the body posture stable to get an economic stroke.