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Sports 2018, 6(4), 169; https://doi.org/10.3390/sports6040169

Spatiotemporal and Kinetic Determinants of Sprint Acceleration Performance in Soccer Players

National Institute of Fitness and Sports in Kanoya, Kanoya 891-2393, Japan
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Received: 12 November 2018 / Revised: 30 November 2018 / Accepted: 6 December 2018 / Published: 9 December 2018
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Abstract

We aimed to elucidate spatiotemporal and kinetic determinants of sprint acceleration performance in soccer players. Thirty-seven male soccer players performed 60-m sprints. The spatiotemporal variables and ground reaction impulses were calculated over a 50-m distance. When controlling the influence of stature and body mass, change in running speed was correlated with the step length at the 1st–4th step section (r = 0.695), step frequency from the 9th to 20th step sections (r = 0.428 to 0.484), braking impulse during the 17th–20th step section (r = 0.328), propulsive impulse from the 1st to 8th step sections (r = 0.738 and 0.379), net anteroposterior impulse for all step sections (r = 0.384 to 0.678), and vertical impulse from the 9th–12th step section and thereafter (r = −0.355 to −0.428). These results confirmed that an effective acceleration is probably accomplished by a greater step length originated in greater propulsive impulse during the initial acceleration phase (to the 8th step), a higher step frequency through smaller vertical impulse and smaller braking impulse during the middle and later acceleration phases (from the 9th step), as well as greater net anteroposterior impulse during the entire acceleration phase. View Full-Text
Keywords: ground reaction force; running speed; step length; step frequency; football ground reaction force; running speed; step length; step frequency; football
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MDPI and ACS Style

Murata, M.; Takai, Y.; Kanehisa, H.; Fukunaga, T.; Nagahara, R. Spatiotemporal and Kinetic Determinants of Sprint Acceleration Performance in Soccer Players. Sports 2018, 6, 169.

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