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Movement patterns in elite Brazilian youth soccer
N Pereira Da Silva1, D T Kirkendall, T Leite De Barros Neto
1CEMAFE - Center of Studies in Medicine of the Physical Activity and the Sport, Federal University of Sao Paulo, Sao Paulo, Brazil. norbertopereira@uol.com.br
The Journal of Sports Medicine and Physical Fitness
|July 21, 2007
Summary
Young soccer players
Area of Science:
- Sports Science
- Exercise Physiology
- Soccer Performance Analysis
Background:
- Understanding the physical demands on young soccer players is crucial for effective training.
- Previous research has not comprehensively detailed motion patterns across different age groups and positions in Brazilian youth soccer.
Purpose of the Study:
- To establish benchmarks for total distance covered and motion characteristics in young Brazilian soccer players.
- To analyze variations in physical performance based on age category and playing position.
Main Methods:
- Seventy-five players from U15, U17, and U20 age groups were analyzed during competitive matches.
- Video analysis was used to record total distance, jogging, walking, and sprinting distances for players categorized by position.
- Analysis of Variance (ANOVA) was employed to identify significant differences between age groups and positions.
Main Results:
- The Under-15 (U15) group exhibited significantly higher intensity (118 m/min) compared to U17 and U20 groups.
- Wingers (WG) and midfielders demonstrated greater total distance covered than players in other positions.
- Specific positions like strikers (STK) and offensive midfielders (OMF) showed increased sprinting in younger age categories.
Conclusions:
- Significant differences in running volume and intensity exist between age groups in youth soccer.
- Early player development, targeted physical training, and tactical structuring contribute to higher energy expenditure during matches.
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Horizontal motion, governed by the initial kick, maintains a constant velocity throughout the flight of the soccer ball.
Horizontal motion, governed by the initial kick, maintains a constant velocity throughout the flight of the soccer ball.
01:18Hierarchy of Motor Control
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
01:04Social Facilitation
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01:25Projectile Motion
Projectile motion models the flight of an object launched into the air, such as a soccer ball kicked during a penalty, under the simplifying assumption that air resistance is negligible. When gravity is the only force, the object experiences a steady downward acceleration at all times. This single fact explains why projectile motion can be analyzed as two independent motions happening simultaneously: a horizontal motion that does not speed up or slow down, and a vertical motion that continually...
01:24Muscle Coordination and Action
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Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement.
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement.
01:06Fixed Action Patterns
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