The Effect of Arousal Levels during Different Learning Stages on Eye-Hand Coordination Task Performance in Physical Education Students

Mehdi Rahim zadeh; Shahzad Tahmasebi; Mehdi Shahbazi

Volume 14, Issue 3 , December 2022, , Pages 25-40

https://doi.org/10.22059/jmlm.2021.324664.1582

Abstract
  Background: In previous studies, the effect of arousal on performance has been investigated. However, whether arousal during learning stages affects bimanual coordination has not been investigated. Therefore, the present research aimed to investigate the effect of arousal levels during different learning ...  Read More

Effect of Constraints of Defense on Locomotors Pointing Behaviors in Elite Handball Player

Mohammadali Esmaeilzadeh; Mehdi Shahbazi; Ali Akbar Jaberimoghaddam; Shahzad Tahmasebi; Elham Shirzad

Volume 14, Issue 1 , June 2022, , Pages 17-35

https://doi.org/10.22059/jmlm.2018.239414.1287

Abstract
  Behavioral studies in team sports are typically constrained by dynamic factors, such as positioning of defenders for interception. Handball player have to coordinate their steps when running to throw a ball on goal from a different positions. In this study were analyzed the movement patterns during locomotors ...  Read More

The Effect of Motivational Self-Talk on Bimanual Coordination Performance of University Students

Mohammad Bagher Aali; Mehdi Shahbazi; – Mohammad Sohbatiha

Volume 13, Issue 1 , June 2021, , Pages 1-13

https://doi.org/10.22059/jmlm.2021.205846.1073

Abstract
  Self-talk is one of the psychological factors influencing the improvement and success of motor performance. The present research aimed to investigate the effect of motivational self-talk on bimanual coordination of university students. 24 students of physical education (12 females and 12 males, mean ...  Read More

PETTLEP Imagery Improves Accuracy and Speed Basketball Pass

Negin Nazarifar; shahzad Tahmasebi; Mehdi Shahbazi

Volume 12, Issue 2 , September 2020, , Pages 117-131

https://doi.org/10.22059/jmlm.2020.214209.1140

Abstract
  Cognitive constrain of individual constrains which can be created with imagery and is a factor in many tasks affecting the performance has been investigated. Thus, the aim of the present study was to investigate the effect of PETTLEP imagery on the accuracy and speed basketball pass skill. 44 female ...  Read More

The Effect of Immediate, Interspersed and Combined Imitation Training on Motor Performance and Learning in 9-12-Year-Old Novice Karate Kata Girls

Leila Ghandehari Alavijeh; Shahzad Tahmasebi Boroujeni; Mehdi Shahbazi

Volume 11, Issue 3 , December 2019, , Pages 263-279

https://doi.org/10.22059/jmlm.2019.135730.993

Abstract
  Theoretically, skill presentation will change behavior through processes such as imitation and motor repetition. If we want learning to happen, we need a process called training. Training can be delivered by the instructor through verbal and non–verbal instructions to the learner. One type of non–verbal ...  Read More

The Emergence of Special Skill in Basketball Free Throw with Different Levels of Expertise

Faranak Poorhosseini; Mehdi Shahbazi; Shahzad Tahmasebi Boroujeni

Volume 11, Issue 1 , June 2019, , Pages 17-33

https://doi.org/10.22059/jmlm.2019.134813.985

Abstract
  The aim of this study was to investigate the emergence of special skill in basketball free throw at different skill levels based on Newell's model of learning stages. Participants were assigned to three skill groups (n=10): coordination group, coordination control group, and optimization group. They ...  Read More

The Effect of Different Levels of Cognitive Activities on Intrapersonal and Interpersonal Motor Coordination in Taekwondo Athletes (Poomsae)

Akbar Bohloul; Mehdi Shahbazi; Shahzad Tahmasebi Boroujeni

Volume 10, Issue 3 , December 2018, , Pages 327-348

https://doi.org/10.22059/jmlm.2019.134513.981

Abstract
  Coordination is an important part of successful movements in daily life and sports. The aim of this study was to investigate the effect of different levels of cognitive activities on intrapersonal and interpersonal motor coordination in taekwondo athletes (Poomsae). The population consisted of Poomsae ...  Read More

The Effect of Rich Environment (Home) on the Speed Progress Learning of football Dribbling in Boys 6-13 Years old

Sajjad Tarshizi Bargoei; Mehdi Shahbazi; Abuzar Darabi

Volume 10, Issue 2 , September 2018, , Pages 159-171

https://doi.org/10.22059/jmlm.2018.205282.1067

Abstract
  The present study aimed at investigating the effect of rich environment athome on the speed of acquisition progress in football dribbling skill of boys.The statistical population included children aged between 6 and 13 in district1, Tehran city. The present study was semi-experimental with pretestposttestdesign. ...  Read More

Emergence of Meta-Stability and the Extent of Metastable Regions in Fencers with Different Motor Skill Levels

Bahram Ghafari; Mehdi Shahbazi; Mehdi Aghapour; Elham Shirzad

Volume 9, Issue 3 , October 2017, , Pages 405-422

https://doi.org/10.22059/jmlm.2017.137066.999

Abstract
    Meta-stability is a relatively stable region in which system components tend to cooperate to reach performance goals of movement while maintaining their separate and flexible characters. Participants were assigned to 3 skill groups: coordination (n=10), coordination control (n=10), and optimized ...  Read More

The Effect of Central and Peripheral Fatigue on Coordination of Student Athletes

Ali Zahiri; Mehdi Shahbazi; Mohammad Reza Kordi; Jamal Fazel Kalkhoran

Volume 9, Issue 1 , June 2017, , Pages 123-136

https://doi.org/10.22059/jmlm.2017.61951

Abstract
  The aim of this study was to investigate the effect of central and peripheral fatigue on motor coordination in collegiate athletes. The population consisted of all the students of Faculty of Physical Education and Sports Sciences of University of Tehran and 24 subjects were selected by convenience sampling ...  Read More

The Relationship between Action and State Orientation and Decision Making Behavior of Expert Female Football Players

Reyhaneh Rahdar Beik Qomi; Mehdi Shahbazi

Volume 8, Issue 4 , March 2017, , Pages 575-592

https://doi.org/10.22059/jmlm.2017.61029

Abstract
    Decision making plays an important role in sport activities and is directly associated with sporting success or failure. On the other hand, one of the key issues in psychology of sports and behavioral sciences is sport orientation. The aim of this study was to investigate the relationship of ...  Read More

The Relationship between Motor Development and Social Development in Autistic Children Aged between 6 and 10 in Mashhad City

Somayeh Tabatabai; Mehdi Shahbazi; Fazlolah Bagherzadeh

Volume 8, Issue 2 , July 2016, , Pages 209-224

https://doi.org/10.22059/jmlm.2016.58946

Abstract
  The term autistic refers to the individuals who have a set of development disorders relevant to the central nervous system. These children are known to have deficiency in social interaction, language and communication. The aim of this study was to investigate the relationship between motor development ...  Read More

Comparing the ability of arousal control in male and female athletes using mental imagery and biofeedback methods

Bahram Ghafari; Mehdi Shahbazi

Volume 7, Issue 4 , January 2016, , Pages 409-422

https://doi.org/10.22059/jmlm.2015.57101

Abstract
  The aim of this research was to investigate the ability of arousal control in male and female athletes using mental imagery and biofeedback methods. Participants were 30 male and female athlete students of Tehran University (mean aged 23) who were assigned into two homogeneous groups based on Vividness ...  Read More

The Effect of Resistance Exercise on Memory and Neurotrophic Factors in Sedentary Students

Mehdi Shahbazi; Aboalfazl Shayan; Ali Samadi; Zahra Nemati

Volume 7, Issue 1 , May 2015, , Pages 1-19

https://doi.org/10.22059/jmlm.2015.54500

Abstract
  There are evidences in both animal and human studies which show that exercise has beneficial effects on the central nervous system and cognition. So, the aim of this study was to investigate the effect of resistance exercise on memory and probable mechanisms of this effect (i.e. neurotrophic factors) ...  Read More

Surveying of Causal Attributions of Elite and Sub – Elite Male Athletes in Individual Sports(from the Perspective of Athletes and Coaches)

Amir Abbas Gholipoor; Mehdi Shahbazi; Fazlollah Bagherzadeh

Volume 6, Issue 2 , July 2014, , Pages 161-182

https://doi.org/10.22059/jmlm.2014.50455

Abstract
  Attribution theory is one of the psychological dynamic theories that explainsand describes people's perception of facts. Therefore, the aim of this research wasto study success and failure attributions in athletes and coaches. The population ofthis study consisted of athletes and coaches of national ...  Read More

The Effect of Different Levels of Arousal and Training Intensity on Decision Making of Expert Female Football Players

Fatemeh Rezaei; Mahdi Shahbazi; Fazollah Bagherzadeh

Volume 5, 2 (12) , August 2013, , Pages 67-89

https://doi.org/10.22059/jmlm.2013.32148

Abstract
  Skillful performance in soccer requires not only sound techniques but also quickand accurate decision making. These decisions are usually made in variousintensities of practice and performance. The main aim of this study was toinvestigate the effect of different levels of arousal and training intensity ...  Read More

Relationship between State and Trait Anxiety, Reaction Time and IQ in Elite, Sub-Elite Athletes and Non-Athletes

Mehdi Shahbazi; Ali Pashabadi; Hossein Abedini Parizi

Volume 3, Issue 2 , October 2012, , Pages 65-80

Abstract
  Reaction time (RT) is one of the psychomotor skills that determine athletes’ results and also in daily life. RT effective factors are divided into inherent (genetic) and environmental. Among those factors, psychological factors and mental abilities are more important due to the cognitive nature of ...  Read More

Application of Multivariate Approach in Talent Identification of Soccer Players Under 16 Years Old

Amir Vazinitaher; Mehdi Shahbazi; Fazlolah Bagherzadeh

Volume 3, Issue 1 , June 2011, , Pages 103-128

Abstract
  Talent identification is a process through which those with the highest chance to succeed in the future will be determined. The purpose of the present study was to investigate the application of a multivariate approach in talent identification of adolescent soccer players. The research population consisted ...  Read More

The Effect of Viewer-Induced Arousal on Depth Perception in Male and Female Athletes

Mehdi Shahbazi; Amir Vazini; Navid Hadadi

Volume 2, Issue 2 , July 2010

Abstract
  The purpose of the present study was to determine the effect of increasing arousal and its effect on athletes' depth perception. Participants of this study included the students of Faculty of Physical Education and Sport Sciences. 58 students (23 female and 35 male, mean age: 23.3 and SD: 2.16) were ...  Read More

Current Talent Identification Models, Development of a New Model for Karate in Iran Based on Physical and Mental Readiness

Mahmoud Sheikh; Mehdi Shahbazi; Ashraf Amini; Reza Gholamalizadeh

Volume 2, Issue 1 , April 2010, , Pages 45-56

Abstract
  The aim of this research was to investigate the situation of talent identification process and to collect Karate related indexes in Iran. For this purpose, 63 karate subjects, male (N=31) and female (N=32), participated and filled in 3 special questionnaires to identify present and optimal situation ...  Read More

The Effect of Zinc Deficiency and Zinc Supplement in Female Rats' Regime on Learning, Memory and Motor Function of Their Offspring in Morris Water Maze

Shahzad Tahmasbi; Ahmad Farokhi; Naser Naghdi; Fazlolah Bagherzade; Anoushirvan Kazemnejad; Mehdi Shahbazi

Volume 1, Issue 2 , October 2009, , Pages 21-46

Abstract
  The purpose of this study was to evaluate the effect of two regimes during rats' gestation and lactation on learning, memory and motor function of their offspring. For this purpose, female rats (Albino-Wistar) were obtained from Pasteur Institute, Iran. After mating, 12 pregnant rats were divided into ...  Read More

The Effect of Two Kinds of Diet (Zinc Deficiency and Iron Deficiency) on Some Anthropometrical Indexes (Body Weight and Body Length), Brain Growth and Motor Function in Young Rats

Mehdi Shahbazi; Mahmud Sheikh; Naser Naghdi; A Farokhi; Anoushirvan Kazem nejad; Shazad Tahmasbi

Volume 1, Issue 1 , July 2009, , Pages 5-25

Abstract
  The purpose of this research was to determine the effect of two kinds of diet (zinc deficiency and iron deficiency) on some anthropometrical indexes (body weight and crown-rump length), brain growth and motor function in young rats. Adult male and female albino wistar rats were obtained from the breeding ...  Read More

The Effect of Various Levels of Zinc during Gestation on Physical Growth and Development of the Offspring

Shahzad Tahmasebi; Mehdi Shahbazi; Naser Naghdi

Volume 1, Issue 3 , January 2009, , Pages 99-116

Abstract
  The purpose of this study was to evaluate the effect of dietary zinc levels during gestation on physical development of offspring. The statistical population consisted of adult male and female rats (Albino-Wistar) which were obtained from Pasteur Institute, Iran. After mating, 9 pregnant female rats ...  Read More