Showing 6 results for Vision
Mr Salman Jafari, Dr Majid Kashef, Dr Javad Azmoon,
Volume 7, Issue 14 (12-2017)
Abstract
the purpose of this study was the comparison effect implementation methods physical activity outside of class on the physical fitness of 15 y. boy students. method of study was quasi experimental and statitical population of that includes all of the 15 y. boy students of maraghe city(n=2865). sample of study was 80 pepole who were selected of sample available and then randomly in four groups of 20 people called as experimental group 1, the method on based students self-supervision, experimental group 2, the method on based parentals supervision, experimental group 3, the method on based physical education teachers supervision and controll group that were homogenous. at first a pretest was done from the four groups by pull up test, sit and rich test, sit up test, 540 meter running test. implementation methods physical activity outside of class were done on groups for 8 weeks and then a post test was done from four groups. for statistical analysis of multivariate analysis of variance was used for comparison mean between groups.The results showed that the method of enforcement activity outside of class fitness factors of boy students, there are significant differences ( p≤0/05).however, The results showed that the method on based physical education teachers supervision had a more impact on physical fitness related to health.
Dr Shahram Nazari, Mr Mohammad Reza Soleymanzadeh, Mr Peyman Honarmand,
Volume 11, Issue 22 (12-2021)
Abstract
The purpose of the current study was to determine the effect of sport vision training on vision perception and decision making of handball referees. In this semi-experimental study, 30 handball referees were Participated among all the referees working in the Iranian Handball Premier League, then the selected referees divided into 2 sport vision training and control groups, randomly. The study included pre-test and post-test phases. Subsequently, participants completed Frastig vision perception test and made decisions after watching 30 prepared clips in pre-test phase. Afterwards, participants completed performing 8 weeks of determined sport vision training, each week included 3 sessions and each session lasted 45 minutes. Henceforth, the participants re-performed Frastig vision perception test and repeated decision making process after watching 30 determined clips. Finally, the collected data were analyzed by paired sample t-test and covariate statistical methods. The results indicated that sport vision training and decision making training significantly affected vision perception and decision making of handball referees. Therefore, the results suggest the utilization of vision perception and decision making training as an effective method in order to improve decision making and vision perception.
Ali Abbaszadeh, Abdolah Ghasemi, Dr Ali Heirani, Dr Mahshid Zare Zadeh,
Volume 12, Issue 23 (9-2022)
Abstract
Abstract
Birth weight is one of the most important indicators of neonatal health in any society and is considered as the best tool to measure the outcome of pregnancy and the most important factor in determining the incidence of disease or death of the infant. The purpose of this study was to investigating relationship between visual impairments and motor problems in children 3-6 age with very low birth weight and extremely low birth weight. The participants of this study were 88 children, 54 children with very low birth weight and 34 children with extremely low birth weight who were selected as available. The MABC-2 test were used evaluated motor performances and visual functions such as visual acuity, contrast sensitivity, Stereo acuity, Strabismus, nystagmus, Accommodation, convergence and visual perception measuring by a pediatric ophthalmologist. Pearson correlation coefficient test with bootstrap confidence intervals was used to examine the relationship between each of the visual measurements and motor function. Also, a two-string point coefficient was used to determine the relationship between motor function and eye deviation and nystagmus. The results showed that the rate of visual and motor disorders in the two groups of preterm children was high compared to the healthy population, but there was no significant relationship between visual deficits and movement problems in the two groups of preterm children. This means that vision impairment does not lead to motor problems in preterm children.
Ms Zahra Abdolmaleki, Dr Abbas Bahram, Dr Alireza Farsi, Dr Mozhgan Khademi,
Volume 13, Issue 25 (9-2023)
Abstract
The purpose of this study was to determine the effect of Quiet eye training on gaze behavior in children with attention deficit hyperactivity disorder (ADHD) of forehand skill in table tennis. Method, In order to, thirty children aged 12-7 years old were selected from ADHD children at Imam Hossein Hospital in Tehran and randomly divided into two experimental and control groups. Protocol of the training were performed in 16 sessions and follow up test after six of inactivity. Learning was investigated in the form of change in gaze behaviors such as onset, offset, duration of quiet eye and frequency gaze. The results of the research indicated that the decrease in frequency gaze and onset quiet eye and increase offset and duration of quiet eye in ADHD children. However, there was a significant difference between the two groups of experimental and control groups in frequency gaze. Offset and duration of quiet eye in children who have advanced progression from pre-test to post-test will be more stable over time. Conclusion, the present study confirms that the use of quiet eye training as a perceptual-motor training protocol can be effective for ADHD children by changing the visual perception pattern. It is suggested that a quiet eye training be used as a learning tool for ADHD children.
Bita Arabnarmi, Elahe Bandali,
Volume 13, Issue 26 (12-2023)
Abstract
The aim of this study was to examine sport hero/ine’s features and barriers to achieve their status based on students’ viewpoints. 300 students participated and wrote about obstacles of achieving the status of their hero/in through answering open questions. Data were analyzed using descriptive-analytical method and using Van Dijk's theoretical model (2004) in the framework of critical discourse analysis considering macro and micro levels. In describing the sports hero/ine, the women pointed to physical, facial, and behavioral-moral traits, respectively. Also men pay more attention to behavioral-moral, faces and personalities than other traits. The frequency of describing physical, facial, and behavioral-moral traits was significantly higher than other traits. Barriers were divided into 6 classes. Based on the Proportion test, Economic, socio-cultural and personal barriers make the hero's position significantly more difficult than other barriers. Analysis according to macro level of Van Dijk square represented that emphasizing negative properties of Them has the highest frequency among other properties. Participants have used micro strategies of fallacies, victimization, generalization and lexicalization to express barriers. The variables governing the minds of participants and how they are applied in the language suggest that they create inappropriate conditions for making a pattern to be hero/ine.
Sara Oftadeh, Rasoul Yaali, Farhad Ghadiri,
Volume 100, Issue 100 (10-2020)
Abstract
Motor performance and optimization is one of the most important goals of sports science professionals. Vision skills affect athletic performance and the acquisition of motor skills, which can be improved by practice. The purpose of study was to investigate the effect of visual and skill training on visual and performance skills, retention and transfer of Badminton backhand short service. 20 female students were randomly divided into two groups of 10 combined and skill. Depending on their type of training, the groups performed visual and skill training for 6 weeks. Before and after training, visual and performance tests, retention and transfer of backhand short service were done by the participants. For data analysis, t-test and mixed ANOVA analysis were used with a significant level of 0.05. The analysis indicated that there was a significant difference between groups in visual skills (p =0.00). The combined group had a significant improvement in perfomance, retention and transfer of the service (p = 0.00). Also, checking the interactive effect of time and type of training showed that the combined group was more advanced than the skill group (p = 0.00). The results of this study show the combined effects of vision and sports more than the individual trainings of vision and sports, and according to the results of the study, it is suggested that visual training be included as a supplementary training program in the Badminton field exercise.
