Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players

Dujaka Aziz; Sokoli Bylbyl

doi:doi:10.11648/j.ajss.20190703.14

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Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players

Dujaka Aziz, Sokoli Bylbyl

Published in American Journal of Sports Science (Volume 7, Issue 3)

Received: 7 July 2019 Accepted: 26 July 2019 Published: 10 August 2019

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Abstract

This research is aimed at reviewing the correlation of seven situational kinematics parameters of the free kick of the elite soccer players (Cristiano Ronaldo): Angle of approach, Distance of free kick to the middle of the goal, Distance of the ball approach, Number of steps of ball approach, Length of the last step, Distance between the ball and the support leg, Angel inclination of the support leg. We used the cinematographical method through Kinovea- and Photo Suite 4, to 30 free kick videos -You Tube. Measurements of kinematics variables are measured directly in some frames to stages of movement, and after basic statistical analysis and Pearson's Correlation Coefficient (r). With six first variables we have analyzed the Approach phase where correlations significant positive relationships expressed variables Number of steps of ball approach - Ns with three other variables: Distance of the ball approach - Da, r = 0.431 (p =.020) and The length of the last step - Ls, r = 0.397 (p =.033) and Angle inclination of the support leg - ɸ, r = 0.443 (p = 0.018). as well as the variable Length of the last step –Ls, which also has significant positive relations correlations with the variable Distance of the ball approach, running start -Da, r = 0.745 (p =.000). Relationships between the off side and the free location and the angle of approach, the kicking in the same angle of the same side of approach have a value of about 30 degrees, and if it falls to the opposite angle of the opposite side, the angle of access has a value of about 50 deg.

Published in	American Journal of Sports Science (Volume 7, Issue 3)
DOI	10.11648/j.ajss.20190703.14
Page(s)	103-110
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Instep Free Kick, Situational Kinematics Parameters, Angle of Approach, Distance the Goal, Running Start, Running Stride, Last Step, Inclination

References

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APA Style

Dujaka Aziz, Sokoli Bylbyl. (2019). Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players. American Journal of Sports Science, 7(3), 103-110. https://doi.org/10.11648/j.ajss.20190703.14

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ACS Style

Dujaka Aziz; Sokoli Bylbyl. Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players. Am. J. Sports Sci. 2019, 7(3), 103-110. doi: 10.11648/j.ajss.20190703.14

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AMA Style

Dujaka Aziz, Sokoli Bylbyl. Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players. Am J Sports Sci. 2019;7(3):103-110. doi: 10.11648/j.ajss.20190703.14

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@article{10.11648/j.ajss.20190703.14,
  author = {Dujaka Aziz and Sokoli Bylbyl},
  title = {Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players},
  journal = {American Journal of Sports Science},
  volume = {7},
  number = {3},
  pages = {103-110},
  doi = {10.11648/j.ajss.20190703.14},
  url = {https://doi.org/10.11648/j.ajss.20190703.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajss.20190703.14},
  abstract = {This research is aimed at reviewing the correlation of seven situational kinematics parameters of the free kick of the elite soccer players (Cristiano Ronaldo): Angle of approach, Distance of free kick to the middle of the goal, Distance of the ball approach, Number of steps of ball approach, Length of the last step, Distance between the ball and the support leg, Angel inclination of the support leg. We used the cinematographical method through Kinovea- and Photo Suite 4, to 30 free kick videos -You Tube. Measurements of kinematics variables are measured directly in some frames to stages of movement, and after basic statistical analysis and Pearson's Correlation Coefficient (r). With six first variables we have analyzed the Approach phase where correlations significant positive relationships expressed variables Number of steps of ball approach - Ns with three other variables: Distance of the ball approach - Da, r = 0.431 (p =.020) and The length of the last step - Ls, r = 0.397 (p =.033) and Angle inclination of the support leg - ɸ, r = 0.443 (p = 0.018). as well as the variable Length of the last step –Ls, which also has significant positive relations correlations with the variable Distance of the ball approach, running start -Da, r = 0.745 (p =.000). Relationships between the off side and the free location and the angle of approach, the kicking in the same angle of the same side of approach have a value of about 30 degrees, and if it falls to the opposite angle of the opposite side, the angle of access has a value of about 50 deg.},
 year = {2019}
}

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TY  - JOUR
T1  - Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players
AU  - Dujaka Aziz
AU  - Sokoli Bylbyl
Y1  - 2019/08/10
PY  - 2019
N1  - https://doi.org/10.11648/j.ajss.20190703.14
DO  - 10.11648/j.ajss.20190703.14
T2  - American Journal of Sports Science
JF  - American Journal of Sports Science
JO  - American Journal of Sports Science
SP  - 103
EP  - 110
PB  - Science Publishing Group
SN  - 2330-8540
UR  - https://doi.org/10.11648/j.ajss.20190703.14
AB  - This research is aimed at reviewing the correlation of seven situational kinematics parameters of the free kick of the elite soccer players (Cristiano Ronaldo): Angle of approach, Distance of free kick to the middle of the goal, Distance of the ball approach, Number of steps of ball approach, Length of the last step, Distance between the ball and the support leg, Angel inclination of the support leg. We used the cinematographical method through Kinovea- and Photo Suite 4, to 30 free kick videos -You Tube. Measurements of kinematics variables are measured directly in some frames to stages of movement, and after basic statistical analysis and Pearson's Correlation Coefficient (r). With six first variables we have analyzed the Approach phase where correlations significant positive relationships expressed variables Number of steps of ball approach - Ns with three other variables: Distance of the ball approach - Da, r = 0.431 (p =.020) and The length of the last step - Ls, r = 0.397 (p =.033) and Angle inclination of the support leg - ɸ, r = 0.443 (p = 0.018). as well as the variable Length of the last step –Ls, which also has significant positive relations correlations with the variable Distance of the ball approach, running start -Da, r = 0.745 (p =.000). Relationships between the off side and the free location and the angle of approach, the kicking in the same angle of the same side of approach have a value of about 30 degrees, and if it falls to the opposite angle of the opposite side, the angle of access has a value of about 50 deg.
VL  - 7
IS  - 3
ER  -

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Author Information

Dujaka Aziz

Faculty of Physical Education and Sport, University “Hasan Prishtina”, Pristina, Kosovo
Sokoli Bylbyl

Faculty of Physical Education and Sport, University “Hasan Prishtina”, Pristina, Kosovo

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APA Style

Dujaka Aziz, Sokoli Bylbyl. (2019). Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players. American Journal of Sports Science, 7(3), 103-110. https://doi.org/10.11648/j.ajss.20190703.14

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ACS Style

Dujaka Aziz; Sokoli Bylbyl. Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players. Am. J. Sports Sci. 2019, 7(3), 103-110. doi: 10.11648/j.ajss.20190703.14

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AMA Style

Dujaka Aziz, Sokoli Bylbyl. Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players. Am J Sports Sci. 2019;7(3):103-110. doi: 10.11648/j.ajss.20190703.14

Copy | Download

@article{10.11648/j.ajss.20190703.14,
  author = {Dujaka Aziz and Sokoli Bylbyl},
  title = {Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players},
  journal = {American Journal of Sports Science},
  volume = {7},
  number = {3},
  pages = {103-110},
  doi = {10.11648/j.ajss.20190703.14},
  url = {https://doi.org/10.11648/j.ajss.20190703.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajss.20190703.14},
  abstract = {This research is aimed at reviewing the correlation of seven situational kinematics parameters of the free kick of the elite soccer players (Cristiano Ronaldo): Angle of approach, Distance of free kick to the middle of the goal, Distance of the ball approach, Number of steps of ball approach, Length of the last step, Distance between the ball and the support leg, Angel inclination of the support leg. We used the cinematographical method through Kinovea- and Photo Suite 4, to 30 free kick videos -You Tube. Measurements of kinematics variables are measured directly in some frames to stages of movement, and after basic statistical analysis and Pearson's Correlation Coefficient (r). With six first variables we have analyzed the Approach phase where correlations significant positive relationships expressed variables Number of steps of ball approach - Ns with three other variables: Distance of the ball approach - Da, r = 0.431 (p =.020) and The length of the last step - Ls, r = 0.397 (p =.033) and Angle inclination of the support leg - ɸ, r = 0.443 (p = 0.018). as well as the variable Length of the last step –Ls, which also has significant positive relations correlations with the variable Distance of the ball approach, running start -Da, r = 0.745 (p =.000). Relationships between the off side and the free location and the angle of approach, the kicking in the same angle of the same side of approach have a value of about 30 degrees, and if it falls to the opposite angle of the opposite side, the angle of access has a value of about 50 deg.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - Correlation Between the Kinematic Parameters Situation the Free Kick of Elite Players
AU  - Dujaka Aziz
AU  - Sokoli Bylbyl
Y1  - 2019/08/10
PY  - 2019
N1  - https://doi.org/10.11648/j.ajss.20190703.14
DO  - 10.11648/j.ajss.20190703.14
T2  - American Journal of Sports Science
JF  - American Journal of Sports Science
JO  - American Journal of Sports Science
SP  - 103
EP  - 110
PB  - Science Publishing Group
SN  - 2330-8540
UR  - https://doi.org/10.11648/j.ajss.20190703.14
AB  - This research is aimed at reviewing the correlation of seven situational kinematics parameters of the free kick of the elite soccer players (Cristiano Ronaldo): Angle of approach, Distance of free kick to the middle of the goal, Distance of the ball approach, Number of steps of ball approach, Length of the last step, Distance between the ball and the support leg, Angel inclination of the support leg. We used the cinematographical method through Kinovea- and Photo Suite 4, to 30 free kick videos -You Tube. Measurements of kinematics variables are measured directly in some frames to stages of movement, and after basic statistical analysis and Pearson's Correlation Coefficient (r). With six first variables we have analyzed the Approach phase where correlations significant positive relationships expressed variables Number of steps of ball approach - Ns with three other variables: Distance of the ball approach - Da, r = 0.431 (p =.020) and The length of the last step - Ls, r = 0.397 (p =.033) and Angle inclination of the support leg - ɸ, r = 0.443 (p = 0.018). as well as the variable Length of the last step –Ls, which also has significant positive relations correlations with the variable Distance of the ball approach, running start -Da, r = 0.745 (p =.000). Relationships between the off side and the free location and the angle of approach, the kicking in the same angle of the same side of approach have a value of about 30 degrees, and if it falls to the opposite angle of the opposite side, the angle of access has a value of about 50 deg.
VL  - 7
IS  - 3
ER  -

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