A Kinematic Study of Technical Characteristics in Elite Male Triple Jump Athletes in Zhejiang Province

This study analyzed the kinematic parameters of the triple jump in male athletes from Zhejiang Province’s athletics team, using three-dimensional photography and the SIMI Motion 10.0 system. Key findings were: 1) Zhejiang Province’s male triple jump athletes had an average stride length of 2.05 ± 0.15 m for the penultimate step and 2.14 ± 0.14 m for the last step in the approach run, with a 0.09 m difference. The penultimate step’s center of mass averaged 8.32 ± 0.20 m/s in velocity, while the last step and take-off moment averaged 8.12 ± 0.25 m/s and 7.95 ± 0.14 m/s, respectively. 2) Significant correlations existed between kinematic parameters (landing instant velocity, take-off instant velocity, take-off instant vertical velocity) and triple jump performance across all phases. The strongest correlation was found between landing instant horizontal average velocity during the bound phase and athletes’ triple jump performance (γ = 0.97, P < 0.01). Positive correlations were also observed between landing instant horizontal average velocity in the hop phase and take-off instant horizontal average velocity in the bound phase, with respective coefficients of γ = 0.93 and γ = 0.90 (P < 0.05). In summary, this study suggests that male triple jump athletes from Zhejiang Province should focus on improving their absolute speed during the approach run. Enhancing horizontal velocity during the hop phase’s landing and take-off instant in the bound phase can contribute to enhancing triple jump performance.