Elham Shirzad
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View article: Electromyography Activity of Posterior Oblique Sling Muscles During High-Speed Running in Elite Soccer Players: Risk Factors for Hamstring Injury
Electromyography Activity of Posterior Oblique Sling Muscles During High-Speed Running in Elite Soccer Players: Risk Factors for Hamstring Injury Open
Objective This study examined how changing Posterior Oblique Sling muscles (POS) activity during the Prone Hip Extension (PHE) test can influence the activity of POS muscles and the risk of hamstring injury during high-speed running. Metho…
View article: The Effect of Priority Assignment the Role of Evaluator and Executive in Collaborative Training on the Acquisition of Kinematic and Accuracy of Dart Throwing Skill
The Effect of Priority Assignment the Role of Evaluator and Executive in Collaborative Training on the Acquisition of Kinematic and Accuracy of Dart Throwing Skill Open
Background: Collaborative training can enhance individual learning, but the effect of role assignment on skill acquisition is unclear. Objectives: Therefore, this study aims to explore the influence of the evaluator and executor roles on t…
View article: Knee Biomechanics During Neurocognitively Challenged Drop Landings in Male Elite Soccer Players with Anterior Cruciate Ligament Reconstruction
Knee Biomechanics During Neurocognitively Challenged Drop Landings in Male Elite Soccer Players with Anterior Cruciate Ligament Reconstruction Open
Background Reactive decision-making during athletic movement has been demonstrated to evoke unfavorable biomechanics associated with anterior cruciate ligament (ACL) rupture. However, the current evidence is based on assessments of healthy…
View article: Athletes with anterior cruciate ligament reconstruction display substantial impairments in knee biomechanics during neurocognitively challenged drop landings
Athletes with anterior cruciate ligament reconstruction display substantial impairments in knee biomechanics during neurocognitively challenged drop landings Open
Background Reactive decision-making during athletic movement has been demonstrated to evoke unfavorable biomechanics associated with anterior cruciate ligament (ACL) rupture. However, the current evidence is based on assessments of healthy…
View article: Effect of Changing the Muscles Activation Patterns in Prone Hip Extension on Kinematical Variables Affecting the Hamstring Injury
Effect of Changing the Muscles Activation Patterns in Prone Hip Extension on Kinematical Variables Affecting the Hamstring Injury Open
Effect of Changing the Muscles Activation Patterns in Prone Hip Extension on Kinematical Variables Affecting the Hamstring Injury
View article: Effects of FIFA 11 + warm-up program on kinematics and proprioception in adolescent soccer players: a parallel‑group randomized control trial
Effects of FIFA 11 + warm-up program on kinematics and proprioception in adolescent soccer players: a parallel‑group randomized control trial Open
View article: Effects of FIFA 11+ warm-up program on kinematics and proprioception in adolescent male and female soccer players; a parallel‑group randomized control trial
Effects of FIFA 11+ warm-up program on kinematics and proprioception in adolescent male and female soccer players; a parallel‑group randomized control trial Open
This study aimed to compare the effects of 8 weeks 11+ warm-up injury prevention program on kinematics and proprioception in adolescent male and female soccer players. forty adolescent soccer players (20 males, 20 females) aged between 14-…
View article: Comparison of Performance and Movement Kinematics of Virtual Reality Practice with Real-World Practice in the Dart-Throwing Skill
Comparison of Performance and Movement Kinematics of Virtual Reality Practice with Real-World Practice in the Dart-Throwing Skill Open
Background: Researchers are pursuing the enhancement of sensorimotor skills through the application of virtual reality (VR) in the sports environment. Objectives: This study aimed to compare the performance and kinematics of VR with real-w…
View article: The effect of arousal caused by spectators on process and outcome of volleyball serve skill
The effect of arousal caused by spectators on process and outcome of volleyball serve skill Open
Background:The Arousal is one of the psychological factors affecting athletes' performance.The most important theory of the relationship between arousal and performance is the inverted-U theory.Despite research in this area, more research …
View article: A Novel Method for Field Measurement of Ankle Joint Stiffness in Hopping
A Novel Method for Field Measurement of Ankle Joint Stiffness in Hopping Open
Stiffness of ankle joint has been investigated in a wide range of biomechanical studies with a focus on the improvement of performance and reduction in the risk of injury. However, measuring ankle joint stiffness (AJS) using the existing c…
View article: Using Metabolomics to Differentiate Player Positions in Elite Male Basketball Games: A Pilot Study
Using Metabolomics to Differentiate Player Positions in Elite Male Basketball Games: A Pilot Study Open
Purpose: The current study compared metabolic profiles and movement patterns between different player positions and explored relationships between indicators of internal and external loads during elite male basketball games. Methods: Five …
View article: The Effect of Arousal Caused by Spectators on Process and Outcome of Volleyball Service Skill
The Effect of Arousal Caused by Spectators on Process and Outcome of Volleyball Service Skill Open
The Effect of Arousal Caused by Spectators on Process and Outcome of Volleyball Service Skill
View article: Experience Related Impacts on Jump Performance of Elite and Collegiate Basketball Players; Investigation on Force-Time Curvature Variables
Experience Related Impacts on Jump Performance of Elite and Collegiate Basketball Players; Investigation on Force-Time Curvature Variables Open
Force-Time (F-T) curve variables of the vertical jump are known as contributing factors in jumping height. Experience-related differences might also have impacts on kinetic and kinematic outputs of athletes’ jump. The aim of this study was…
View article: The Effect of Aerobic Training with and without Blood Flow Restriction on the Length and Balance of Women with Multiple Sclerosis
The Effect of Aerobic Training with and without Blood Flow Restriction on the Length and Balance of Women with Multiple Sclerosis Open
Background & aim: Multiple sclerosis is an autoimmune disease which damages the central nervous system. Disruption of walking is one of the characteristics of multiple sclerosis. Currently, exercise training is known as an effective tool i…
View article: The Effect of Virtual Reality Training on Learning and Kinematics Characteristics of Dart Throwing
The Effect of Virtual Reality Training on Learning and Kinematics Characteristics of Dart Throwing Open
Background: Numerous studies proposed the improvement of movement skills on sport-context by virtual reality interaction.\nObjectives: The purpose of this study was investigating the effect of virtual real…
View article: Relationships between force-time curve variables and jump height during countermovement jumps in young elite volleyball players
Relationships between force-time curve variables and jump height during countermovement jumps in young elite volleyball players Open
Background: The importance of vertical jumps has been extensively recognised in sports. Furthermore, the main indicator of success in vertical jumps is the attained height, however, there is lack of knowledge on how the eccentric and conce…
View article: Effect of 8-week pilates exercises on kinematic parameters of balance and gait in deaf high school students
Effect of 8-week pilates exercises on kinematic parameters of balance and gait in deaf high school students Open
Background and purpose: People who are deaf have poorer balance due to defects in vestibular system, which is one of the major systems of the human balance control. Materials and methods: A pretest-posttest semi-experimental study was desi…
View article: Principal Component Analysis Of Anthropometric and Biomechanical Variables In Adolescent Elite Karateka Athletes
Principal Component Analysis Of Anthropometric and Biomechanical Variables In Adolescent Elite Karateka Athletes Open
Objective: Despite the importance of identifying people susceptible to sports, there is little documentation and studies related to karate talent identification.The purpose of this study was principal component analysis of anthropometric a…
View article: Stretch-Shortening Cycle in Countermovement Jump: Exclusive Review of Force-Time Curve Variables in Eccentric and Concentric Phases
Stretch-Shortening Cycle in Countermovement Jump: Exclusive Review of Force-Time Curve Variables in Eccentric and Concentric Phases Open
The importance of vertical jump in sport fields and rehabilitation is widely recognized. Furthermore, Force-Time variables of vertical jump are factors affecting jumping height. Exclusive review of each of this variables, in eccentric and …
View article: The Relationship Between Core Stability and Leg Stiffness in Male and Female Athletes
The Relationship Between Core Stability and Leg Stiffness in Male and Female Athletes Open
The Relationship Between Core Stability and Leg Stiffness in Male and Female AthletesPurpose: Core stability and leg stiffness are two determinant mechanisms in athletic performance and risk injury.This study aimed to investigate the gende…
View article: The relationship between selected biomechanical and technical factors and success criteria in long jump take-off performed by elite athletes
The relationship between selected biomechanical and technical factors and success criteria in long jump take-off performed by elite athletes Open
The relationship between selected biomechanical and technical factors and success criteria in long jump take-off performed by elite athletes
View article: Effect of Feedback Corrective Exercise on Knee Valgus and Electromyographic Activity of Lower Limb Muscles in Single Leg Squat
Effect of Feedback Corrective Exercise on Knee Valgus and Electromyographic Activity of Lower Limb Muscles in Single Leg Squat Open
Objective: The aim of this study was assessing the effect of feedback correcting exercise in front of mirror during running on frontal plane knee and pelvic kinematic and electromyography activity of some lower extremity muscles in single …
View article: Correlation between lower body stiffness and agility in racket-sports athlete
Correlation between lower body stiffness and agility in racket-sports athlete Open
Stiffness is an index for determination of elastic properties of body and its optimum range is different in various motion patterns.The Spring-mass model is used for calculating stiffness.In this method, the whole leg is modeled with a lin…