The Comparison of Level and Pattern of Attention Demands in a Volleyball Jumping Serve

Hanid Salehi; Ahmadreza Movahedi; Gholamali Ghasemi Kahriz Sangi; Adnan Ghazanfari

Volume 3, Issue 2 , October 2012, , Pages 45-64

Abstract
  The aim of this investigation was to compare the level and the pattern of attention demands of a volleyball jumping serve using a probe reaction time (RT) technique. 14 junior elite volleyball players performed 60 jumping serves (JS) with their preferred hand. Jumping serve was performance as the primary ...  Read More

The Comparison of the Effect of Blocked, Random and Specialized Feedback to Difficult Part on Acquisition and Retention of Badminton High Service

Alireza Farsi; Maryam Ekradi; Zahra Asgari; Mina Gholami

Volume 2, Issue 1 , April 2010, , Pages 57-73

Abstract
  The present research examined the effect of different feedbacks such as blocked, random and specialized to the most difficult part of a task on acquisition and retention of badminton high service. At first, 10 expert badminton players performed 10 trial high service and 10 with probe technique to determine ...  Read More