- All Journals
- Al-Qadisiyah University
- Basrah University
- Kirkuk University
- Mosul University
- The Iraqi Borad for Medical Specialization
- University of Anbar
- University of Technology
- Al Mustafa University
- Al-Zahraa University for Women
- Alnoor University
- Kunooz University
- Misan University
- Ninevah University
- Tikrit University
- University of Al-Hamdaniya
- University of Kerbala
The speed of the ball and its relationship with some kinematical variables performer in lawn Tennis Serve in | ||
| JOURNAL OF SPORT SCIENCES | ||
| Article 1, Volume 6, Issue 4, 2014, Pages 67-86 | ||
| Author | ||
| Hasnaa Sattar Jabbar | ||
| Abstract | ||
| College of Physical Education، University of Baghdad The Fast Serve is considered the most difficult offensive skill that enables the player getting a direct point، or at least negative influence the opponent not being able to return the serve easily a matter that again the player enough time to built another comprehensive offence. The aim of the research is to identify the speed of ball and its relationship with same kinematical variables of serve performance in lawn tennis .The subjects were (4) lawn tennis player from the college of physical education of Baghdad university . The most important conclusions were that kinematical variables are considered an indicator for good straight serve performance .whenever there is a decrease in ball Flight angle، the higher the horizontal speed towards the opponents court . The beast performance is the one that best achieve the mechanical conditions of straight serve performance. | ||
| Keywords | ||
| The speed of the ball | ||
|
Statistics Article View: 140 PDF Download: 24 |
||