Difficulty of Anticipating Left- vs. Right-footed Opponents' Kicks in Taekwondo

Shaghayegh Mohammadi; Hamid Salehi

Volume 12, Issue 3 , December 2020, , Pages 271-292

https://doi.org/10.22059/jmlm.2019.282536.1451

Abstract
  The purpose of this investigation was to examine the anticipation of taekwondo athletes when facing right- and left-footed kicks. Expert taekwondo athletes (n = 40; age = 20.935.12 years; Taekwondo Kyorugi competition experience = 7.584.49years) were shown identical video simulations of right-footed ...  Read More

The Effects of the Müller-Lyer Goalkeepers’ Illusion on Perceptions and Location of Throws of Penalty Takers

Hamid Salehi; Zahra Zareie; Parisa Kalantari

Volume 11, Issue 1 , June 2019, , Pages 71-86

https://doi.org/10.22059/jmlm.2018.239434.1286

Abstract
  The main aim of the present study was to investigate whether the goalkeepers’ postures that mimic the Müller–Lyer illusion can influence penalty-takers’ perceptions and the location of throws. A representation of a goalkeeper was projected onto a blank screen (without goalposts ...  Read More

Errorless Practice to Facilitate Implicit Motor Learning in Children

Hamid Salehi; Mahboubeh Mehrvarz; Mehdi Rafaei

Volume 10, Issue 3 , December 2018, , Pages 367-384

https://doi.org/10.22059/jmlm.2018.208461.1100

Abstract
  The aim of this study was to determine if the reduction of errors during practice facilitates implicit motor learning processes in children. 30 children (meanage =11.33±1.32 yr) threw beanbags with a near-to-far or a far-to-near order, while their vision was occluded. The near-to-far group ...  Read More

The Facilitating Effect of Self-Controlled Practice on Learning Multiple Motor Skills

Hamid Salehi; Somayeh Shahdousti; Mehdi Rafaei Boroujeni; Maryam Nezakatalhosaini

Volume 10, Issue 1 , June 2018, , Pages 79-89

https://doi.org/10.22059/jmlm.2018.142166.1039

Abstract
  To create more efficient learning environments, the learner’s role and his/her influence on the learning process should be considered. The aim of this study was to determine the way self-controlled practice affected performance and learning of motor patterns. 60 female undergraduate students (mean ...  Read More

The Effects of Practice Variability and Attention on Sport Skill Learning

Hamid Salehi; Zahra Zamanpour Boroujeni

Volume 9, Issue 2 , August 2017, , Pages 287-301

https://doi.org/10.22059/jmlm.2017.213654.1136

Abstract
    This study examined the effects of practice scheduling and attentional focus on learning a sport skill. 40 female high school students (mean age = 16.02 ± 0.88 years) practiced dart-throwing skill under either blocked or random practice schedules while their attention was directed ...  Read More

Prevalence Distribution of Fundamental Movement Skills in Children of Tehran Elementary Schools

Hamid Salehi; Mahshid Zarezade

Volume 8, Issue 2 , July 2016, , Pages 281-299

https://doi.org/10.22059/jmlm.2016.59909

Abstract
    Fundamental movement skills are observable patterns of motor behaviors including locomotor, manipulative, and stability activities. The aim of this study was to assess the gross motor development and the movement skill proficiency in elementary school children in Tehran city. The test of Gross ...  Read More

Kinematic Changes in Tennis Serve under Competitive Pressure

Farhang Yazdanparast; Hamid Salehi; Shahram Lenjannejadian

Volume 8, Issue 1 , April 2016, , Pages 99-112

https://doi.org/10.22059/jmlm.2016.58501

Abstract
  Pressure refers to the feelings an athlete has about performing in a competitive situation. The primary aim of this study was to examine kinematic changes of tennis serves in increasing competitive pressure. 20 semi-professional right-handed male tennis players completed 120 serves under low (normal) ...  Read More