


Volume 20 No 20 (2022)
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DEVELOPMENT OF THE SPEED RACE AT THE YOUNG FOOTBALLERS
DR. SLIM KHIARI, DR. HAMDA MANSOUR
Abstract
Soccer - Ball is characterized by the intermittent efforts; that means a brief effort
succession and repeated, interrupted of periods of more passive recuperation. The modelling
of the footballer's activity shows that 90% of the footballer's sprints are lower to 25 m, what
means that it is useless to work on distances superior to 25 – 30 m (Kacani L. 1986,
PALFAI J., 1989, Taelman R. and Simon J.
Keywords
Speed of race, Childhood and adolescence, Cardiac frequency, VO2max
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