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Key Kinematic Components for Optimal Basketball Free Throw Shooting Performance

100%

Cabarkapa D., Fry A. C., Carlson K. M., Poggio J. P., Deane M. A.

Central European Journal of Sport Sciences and Medicine

2021

vol. 36

5-15

The purpose of this study was to determine the difference in five kinematic variables (internal knee and elbow angles, elbow height, forearm angle from vertical, and shoulder flexion angle at ball release) between proficient and non-proficient free throw shooters and which variables had the greatest contributions to a successful free throw shooting outcome. Seventeen male basketball players shoot three sets of 10 free throws with a two-minute break between each set. A three-dimensional motion tracking system composed of 17 sensors sampling at 60 Hz was used for data collection. Proficient free throw shooters had greater knee and elbow flexion, lower elbow height, and a smaller forearm angle compared to non-proficient shooters. These results explained 89.5% of the total variance. While maintaining the optimal range of these kinematic variables allows each subject to reach an appropriate level of free throw shooting performance, the key variable capable of distinguishing between made and missed shots within the proficient group of shooters was the forearm angle. Positioning the forearm parallel, or close to parallel, with an imaginary vertical line during the preparatory phase of the shooting motion accounted for 23.9% of the total variance and was associated with a greater number of made shots.

Sport Science: Ontological and Methodological Considerations

88%

Pisk J.

Physical Culture and Sport. Studies and Research

2014

vol. 61

issue 1

5-14

Sport is the research object of variety of sciences. But, what is sport and how to think it? The aim of this article is to give some basic thoughts about the nature of sport and to present, confront and evaluate different concepts of science with their different rival approaches and understanding of sport. In general three major groups of sciences can be differentiated: natural sciences and social sciences which share common quantitative (empirical and mathematical based) methodology of research, and human sciences or humanities with their method of reflection (the analysis of concepts and rational argumentation) which go beyond empirically measurable things. Because of different scientific approaches, different understanding and concepts of sport arise which try to prevail over in society. Our comprehension of sport is therefore greatly influenced by pre-accepted methodological position. If sport is equated with physical human body movement, then natural science with its empirical methodology seems to be adequate way for cognition of sport. For social scientists sport has important role in society, therefore it cannot be reduced to mere “body movement”. But humanists would say that sport is more than “body in movement” with influence in society: sport is a powerful idea or concept which needs a special unempirical method of research. Therefore human sciences with their rational reflection of human (personal) experiences can reveal us additional, but yet familiar dimensions of sport. Although their method is not empirically objective, they can deal with important life matters, moreover, their “a priori” qualitative approach to sport can give meaning and make sense out of sport, reflect about the aim and purpose of sport as well as make some ethical considerations about sport. In the article some examples are given and some problems regarding reduction of sport science to just one scientific approach are considered.

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1 Central European Journal of Sport Sciences and Medicine

1 Physical Culture and Sport. Studies and Research

1 2021

1 2014

1 Cabarkapa D.

1 Carlson K. M.

1 Deane M. A.

1 Fry A. C.

1 Pisk J.

1 Poggio J. P.

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Key Kinematic Components for Optimal Basketball Free Throw Shooting Performance

Sport Science: Ontological and Methodological Considerations