Fakhri Mirzanag, Ehsan

2. MSc of Sport Biomechanics, Dept. of Sport Management and Biomechanics, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran.

[ 1 ] - Comparison of the Impulse the New BETA Volleyball Designed With Other Volleyballs Samples

Background and aim The sport of volleyball requires constant contact of sports balls with the hands of athletes, Therefore, the sports balls used in volleyball can play an important role in the performance of athletes. therefore, the aim of the present study is to compare the impulse of the new BETA volleyball designed with other samples volleyballs using the Bertak model force plate made in th...

[ 2 ] - Effect of Exercise Therapy with Medicine Ball on Directed and General Co-contraction of Knee Joint Muscles in Low Back Pain Patients During Walking

Background and Objectives: Low back pain is a musculoskeletal disorder with an annual prevalence of 18.6%. The aim of the present study was to evaluate the effect of rehabilitation with medicine ball on directed and general co-contraction of knee joint muscles in low back patients during walking, Materials and Methods: The present study was a clinical trial. The statistical population of the p...