Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine (2012) 11, 231 - 237

Research article
Increased Distance of Shooting on Basketball Jump Shot
Victor Hugo Alves Okazaki1, , André Luiz Félix Rodacki2
Author Information
1 Physical Education Department, Motor Neurosciences Laboratory, Londrina State University, Londrina, Brazil
2 Department of Motricity and Functionality, Center of Studies on Motor Behavior, Paraná Federal University, Curitiba, Brazil

Victor Hugo Alves Okazaki
✉ Universidade Estadual de Londrina, Departamento de Educação Física, Campus Universitário - Rodovia Celso Garcia Cid Km 380, Caixa Postal: 6001 - CEP: 86051-990, Londrina, Paraná, Brasil
Email: vhaokazaki@gmail.com
Publish Date
Received: 21-09-2011
Accepted: 03-02-2012
Published (online): 01-06-2012
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ABSTRACT

The present study analyzed the effect of increased distance on basketball jump shot outcome and performance. Ten male expert basketball players were filmed and a number of kinematic variables analyzed during jump shot that were performed from three conditions to represent close, intermediate and far distances (2.8, 4.6, and 6.4m, respectively). Shot accuracy decreased from 59% (close) to 37% (far), in function of the task constraints (p < 0.05). Ball release height decreased (p < 0.05) from 2.46 m (close) to 2.38m (intermediate) and to 2.33m (long). Release angle also decreased (p < 0.05) when shot was performed from close (78.92°) in comparison to intermediate distances (65.60°). While, ball release velocity increased (p < 0.05) from 4.39 m/s (close) to 5.75 m·s-1 (intermediate) to 6.89 m·s-1 (far). These changes in ball release height, angle and velocity, related to movement performance adaptations were suggested as the main factors that influence jump shot accuracy when distance is augmented.

Key words: Jump shot, distance of shooting, basketball, motor control, biomechanics


           Key Points
  • The increased distance leads to greater spatial con-straint over shot movement that demands an adapta-tion of the movement for the regulation of the accu-racy and the impulse generation to release the ball.
  • The reduction in balls release height and release angle, in addition to the increase in balls release ve-locity, were suggested as the main factors that de-creased shot accuracy with the distance increased.
  • Players should look for release angles of shooting that provide an optimal balls release velocity to im-prove accuracy.
 
 
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