Step length adjustment in the long jump with and without take-off board in non-long jumpers
Journal Title: Antropomotoryka. Journal of Kinesiology and Exercise Sciences - Year 2015, Vol 25, Issue 70
Abstract
Introduction. Research has shown that step length adjustment determines long and triple jump performance.Aim. To identify differences in step length adjustment between long jump conditions with (TB) and without (NTB) take-off board.Material and methods. Fourteen male (mean age 22.4 years, ± 0.6, body height 182.6, ± 5.8 cm, and mass 77.5, ± 6.3 kg) and six female (mean age 22.1 years, ± 0.4, body height 164.6, ± 2.8 cm, and mass 58.4, ± 6.1 kg) non-long jumpers participated in this study. The subjects performed 6 long jump trials under each condition. The final 10 steps were used for analysis. The Optojump Next device was used to evaluate the kinematic parameters. The step length adjustment was determined by variability of footfall position during the approach run.Results. Significant (p < 0.05) differences of variability in footfall position during the approach run between two conditions were found. In addition, the percentage distribution of step length adjustment was different during the penultimate and last steps under all conditions.Conclusions. The results of the research indicated that to achieve better foot placement during the take-off, the long jump should be performed from the take-off board. The coaches should implement long jumps without the take-off board into training routines to improve step pattern consistency and lengthen an athlete’s particular steps during the approach phase.
Authors and Affiliations
Marcin Starzak, Hubert Makaruk, Jerzy Sadowski
Keywords
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