Print ISSN: 1993-9345

Online ISSN: 2664-2514

Keywords : Swimming


The effect of Post feedback in some biokinmatics variables to the start block in the swimming

Thaer Ghanem Mulla Alou; Samim Ahmad Yunis

Al-Rafidain Journal For Sport Sciences, 2021, Volume 24, Issue 73 syppl, Pages 1-22
DOI: 10.33899/rjss.2021.167737

   The research Problem was training of trainers in depending on the errors of the skill full Performance of The swimmer in the simple steps o slep-observation and their decision de Ponds on their se self-evaluation which is fraught with some of the shortcomings and to the speed of mal movement and the multiple stages and variables the tow researchers find used during on experiment done for one of the swimmers with tow different cameras
A-    using normal camera (25 pictare / sec )
B-      using high speed camera (240 Pictare /sec) the research’s concluded that errors were more and obvious using camera (b) than (a) .
   The researchers found it necessary to use then in judging the level of technical per for manse of  Photography and I biomechanical analysis and identify technical errors in Performance. Also use these 3 cameras with high speed correction Performance as a Feedback to help the trainer and swimmer to correct the errors and in record time.
   The research’s aims to dis cover the values of some biochemematic variables affecting the technical errors with high speed cameras. and correction technical errors with feedback with using high speed content I cameras, in this ! in this assumed that feedback using i high speed cameras have a positive s effect on technical performance of the star block swimming.
the researcher used the experimental method for its suitability to the  nature of the research Problem using the experimental designed which is designed a for the designee of the tow test of Pre and post-test. the sample of the research with (6) swimmers.
  The researchers used & questionnaire I Measurement , scientific and technical observation, and Kinematic I analisis a means of data collection to obtain search variable .
   The researcher depends on the It statistical means (arithmetic mean, Standard deviation and (T test) for the associated samples.
   The researchers concluded that the delayed Post-feed bach effect had a good effect on the variable of angular velocity of the body of the hind leg, and feedback has had a good effect on horizontal distances vertical distance, distance obtained in the descending Phase post delayed feedback influenced well the horizontal distance from Platform to the water entry point in the complete motion variable.

Measuring the weight and body mass of the swimmer inside the water

Falah. T. Hammo; Hasan H. Abdullah

Al-Rafidain Journal For Sport Sciences, 2021, Volume 24, Issue 73 syppl, Pages 106-119
DOI: 10.33899/rjss.2021.167770

The importance of this research lies in measuring the human body mass inside the water because it requires preparing a method or a new style sows us this variable accurately putting the solutions and it reduce the required time to calculate this  variable in an objective way. So the importance of this research is limited in finding  a simple scientific way in  calculating the athletics body mass inside the water because measuring the variable inside the water  requires many efforts and  tools and to get the advantage of this research from the specialists in the biomechanics.     
The aim of the research was to find out a simple scientific method to calculate the body mass of the human inside the water, and the researcher used the descriptive approach for its suitability to the nature of search. The research sample included the students of  the second year department of Physical Education / University of Halabja which includes (five) students, they were selected by the intentional way.
            The researcher used the measurement and analysis methods as away of collecting data, they dealt with data by these statistical ways: the arithmetic mean, standard deviation and the coefficient of variation, the data were treated statistically by using the computer within the Statistical Program of Social Sciences (SPSS) and the researcher concluded the following :
            Through the results of the research showed that the scientific equation of prepared to calculate the body mass of human inside the water was reached the real value of the human body inside the water, and therefore it can be adopted by the researches and studies dealing with this topic.
The researcher recommended the following :
- Using the mathematical scientific to measure the body mass inside the water.
- Writing an equations and other software to calculate the biomechanical variables ( Kinematical and Kinetic variables).

Impact of some aspects of muscle strength exercises in number of physical variables and the level of achievement for 50-meter freestyle swim for men

Enad Jarjees; Omer Hamdoon

Al-Rafidain Journal For Sport Sciences, 2014, Volume 20, Issue 66, Pages 158-193
DOI: 10.33899/rajsport.2014.89593

The training and good planning in swimming have a good deal of attention in the attempt of scientists and specialists to take advantage of other sciences in the development process, which requires advance planning and creating all the conditions to achieve the feat, and this requires a state of full readiness and effective and appropriate training plans the strength training considered one of the important physical attributes in the training of swimming and is one of the core exercises to strengthen the muscle groups to which take part in the performance.
The aspects of muscle strength training one of the most important methods by which the coach can develop muscle strength among swimmers through their performance skills into the water and determine the most important physical exercises that have impact on all stages of the swimmer.
Research aims to detect:
1.3.1 The impact of some of the exercises muscle strength in a number of physical variables for swimmers of 50-meter freestyle for men.
1.3.2 the impact of some of the muscle strength exercises in the level of achievement for the 50-meter freestyle swimming for men.
The researchers used the experimental method for suitability to the nature of the research, which was conducted on swimmers Faculty of Physical Education and selected sample of research and of the 14 swimmers were divided randomly draw way by (7) players for each group. Homogeneity was conducted on a sample of the research in variables (height, age, weight) as well as aparity between the two groups in physical variables. It appear by extracting value (t) the calculated lack of moral significant differences between the two groups in all the physical variables.
The researchers used the experimental design, which is called the "evaluate the control group random choice with pretest and posttest.
The procedures of the researcher included designing training program which was reviewed by experts and specialists, and then was the implementation of the training program, as experimental group carried out the proposed training program prepared by the researcher and private aspects of exercises muscle strength either the control group has carried out the traditional exercises that are given by the coach.
It took fulfillment training program (8) weeks, two average and three training units per week and waves of movement of pregnancy (3: 1) At each session, medium and after the completion of the implementation of the training program conducted tests posteriori by following the same procedures that have been adopted in the tests tribal tests of physical variables physical as well as imaging .The researcher reached the following conclusions:
1. the exercises of some aspects of muscle strength caused development in all the variables elevated some of them to the point of moral.
2. some of the exercises muscle strength which was carried out by the experimental group made a significant development in the achievement of the swimmers.
The researcher recommended the following:
1. The possibility of using the aspects of muscle strength exercises to be effective in the development of the strengths of swimmers.
2. The possibility of using exercises power specialized with speed or exercises force to develop the maximum speed and speed end urance of the swimmers .

Effect of Specific Endurance Exercises By Divided The Body In to upper and lower Style on a number of Physical variables and achieving in (50) meter Breast stroke swimming of juniors

Muafaq aldabbagh; Ali Al_Mashhadani

Al-Rafidain Journal For Sport Sciences, 2014, Volume 20, Issue 65, Pages 117-144
DOI: 10.33899/rajsport.2014.89575

The study aims to discuss what follows
-The differences in some of the physical variables and achieving in (50) meter breast stroke swimming of juniors between both before and after tests for the benefit of post test -The differences in some of the physical variables and a achieving in (50) meter breast stroke swimming of juniors between both research groups experimental group and control group in for the benefit experimental group. .
The two researchers uses the experimental course since it suits the study taking a sample of players of ninavah clubs of swimming ( ummal ، ninavah، mosul ، algosh، iyad sheet ) of 32 players aged (11-14) years who are divided into two groups of (8) players for each group after
putting (16) players away.
The two rescarcher uses the following statistical ways : ( percentage ، average ، standard deviation ، differences coefficient ، t-Test of related samples ، t-Test of in dependent samples ، person coefficient as will as spss way )
The two researchers find out the following conclusions :
-special practices of the upper and lower parts of the body lead ، to developing most carporal features and the achievement by comparing the before and after tests results for the standard group (Speed Endurance, Maximum Locomotive Speed, Strength Endurance of Arms and legs , power of Arms and legs, Strength Endurance of abdominal Muscles, Aerobic Endurance) and achievement.
The experimental group led to the best development as compared with the standard group that used the coach course in most corporal features and achievement in this study by comparing the results of the tests of the both groups.
The two researchers suggested the following points :
- The special kinds of practices of the way that divided the body into two parts (upper&lower) should be used in the training of chest swimmers .
-when using such a way coaches should regard the training distances in the sense that it should suit the competition distance related in to the type
of the activity being practiced .

Studying of the relationship between some biokinetics variables of the arm from inside water with some anthropometric measurement in the 25 m butterfly swimming

Falah Hammo; Hasan Abdullah

Al-Rafidain Journal For Sport Sciences, 2012, Volume 18, Issue 59, Pages 41-54
DOI: 10.33899/rajsport.2012.62562

The research aimed at :
1. Recognizing the values of some biokinetics variables of the arm from inside water in the 25 m butterfly swimming .
2. Recognizing the values of some anthropometric measurement .
3. Finding the relationship between the values of some biokinetics variables of the arm from inside water with arm length in the 25 m butterfly swimming .
The descriptive method was used . the sample included ( 5 ) swimmers of the senior group of Nineveh team . the technical scientific observation , analysis and measurements were used as means to collect the data to obtain some of the biokinematics variables values and some anthropometric measurements values , to achieve the technical scientific observation accurately , the videography was used . the study included a number of biokinematics variables of the arm and anthropoetric measurements . the data have been processed statistically by using the mean , standard deviation and simple correlation .
the researchers concluded the following :
There Were no significant correlations between some biokinetics variables values of the arm from inside water with arm length .
The researchers recommended some recommendations to be utilized in the learning and coaching to get the best performance .
* Keywords: Bio kinetics- anthropometric measurement- swimming-25 m butterfly

Analysis of the relationship among some Biokinematics variables with some anthropometric measurementin the Butterfly swimming

Falah Taha Hamo

Al-Rafidain Journal For Sport Sciences, 2007, Volume 13, Issue 45, Pages 216-231
DOI: 10.33899/rajsport.2007.6190

The research aimed at :
1- Recognizing the values of some Biokinematics variables and some of anthropometric measurement in the 25m butterfly swimming.
2- Finding of the relationship between the values of some Biokinematics variables with the values of some anthropometric measurement in the 25m butterfly swimming.
3- Finding of the relationship among the values of Biokinematics variables .
The descriptive method was used. The sample included (5) swimmers of the senior group of Nineveh team. The Technical scientific observation, analysis and measurements were used as means to collect the data to obtain some of the Biokinematics variables values and some anthropometric measurement values, to achieve the technical scientific observation accurately , the videography was used. The study included a number of Biokinematics variables and anthropometric measurement.
The data have been processed statistically by using the mean, standard deviation and simple correlation.
The researcher concluded the following:
1- There is no significant correlation between Biokinematics variables values and anthropometric variables values.
2- There are significant correlations among some Biokinematics variables values.
The researcher recommended some recommendation to be utilized in the learning and coaching to get the best performance