Kinematic characteristics of competitive activity of footballers

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PhD E.M. Kalinin1, 2
PhD A.E. Vlasov1
V.V. Panikov1
V.A. Kuzmichev1
1Russian Football Union, Moscow
2Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow Region

Objective of the study was to identify the kinematic characteristics of competitive activity of footballers based on the qualitative and quantitative acceleration indicators.
Methods and structure of the study. The study involved 195 footballers, members of the Russian national teams (age – 16-23 years; body length – 181.4±5.8 cm; body mass – 71.7±5.9 kg), who played 28 official international games in the period from 2018 to 2019: tryouts for the European Championship, participation in the European Championship. The subjects’ motor actions were classified by the speed ranges. Their dislocations, accelerations, and speeds were assessed using the GPS tracking unit (10 Hz) of Real Track System, Wimu Pro, Almería, Spain.
Results and conclusions. The study found that any movement or motor action in football starts with the acceleration, which then changes to jogging or average-intensity running, or on other, more rare occasions (12.8%) – to high-intensity running and sprint. Most accelerations are performed at a distance of up to 10 m, and their duration is usually between 1 to 3 sec. 98.9% of accelerations above 2 m/s2 start from a place, walking or jogging, that is, at a speed below 14.4 km/h. 81.6% of accelerations are completed or changed to low- or average-intensity running within the speed ranges from 7.2-14.4 to 14.4-19.8 km/h. The term "dash" does not reflect the real pattern of motor activity in the range from 19.8 to 25.2 km/h.

Keywords: running, range, jerk, acceleration, sprint, movement, motor actions, football.

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