نتایج جستجو برای: instability among athletes of different sport fields p
تعداد نتایج: 21483550 فیلتر نتایج به سال:
Purpose: A proper warm-up method can be used as a strategy to improve performance of athletes in various sport fields. The aim of present study was to compare the effect of two traditional and post-activation potentiation warm-up methods on electromyographic variables of lower extremity muscles during squat jump. Methods: Fourteen trained male athletes were randomly performed three different p...
OBJECTIVE Vitamin D insufficiency is prevalent in various populations worldwide but with scarce data on physically active individuals. Vitamin D is important to athletes, affecting bone mass, immunity, and physical performance. This study evaluated the prevalence of vitamin D insufficiency and deficiency among young athletes and dancers. DESIGN Cross-sectional study. SETTING : Sport medicin...
Morphologic and morpho-functional heart differences between healthy young athletes and healthy young subjects who do not practice agonistic sport have been studied using Color Doppler Echography (CDE). Overall, 68 subjects were enrolled in the study (age range: 19-26 yrs). Of them, 34 subjects (17 men and 17 women) were practicing sport agonistically; the 34 controls (17 men and 17 women) did n...
cultural iran is a scope that is more extended than the political territories of iran as a political unit. this concept means that cultural geography(mehdi moghanlo-1383-1) of iran is greater than its political geography which, according to history, has a long history extending west-east from kandahar to the euphrates and north-south from the persian gulf to the caucasus including transoxiana a...
CONTEXT An estimated 300,000 sport-related traumatic brain injuries, predominantly concussions, occur annually in the United States. Sports are second only to motor vehicle crashes as the leading cause of traumatic brain injury among people aged 15 to 24 years. OBJECTIVE To investigate the epidemiology of concussions in a nationally representative sample of high school athletes and to compare...
objectives: it is important to recognize any risk factors for the development of injuries in the athletic population. the aim of this study was to investigate the association between joint hyper mobility and low back pain in iranian hyper mobile and non-hyper mobile athletes. methods: 50 athletic patients with low back pain (age=23.20±12.79 years) and 51 healthy athletes (age=24.28±13.70) from ...
BACKGROUND Many organizations and health care providers support educating high school (HS) athletes about concussions to improve their attitudes and behaviors about reporting. The objectives of this study were to determine if previous education, sport played, and individual factors were associated with better knowledge about concussion and to determine if more knowledge was associated with impr...
Purpose: The mechanisms involved in the coordination of muscle activity are not completely known: to investigate adaptive changes in human motor cortex Transcranial magnetic stimulation (TMS) was often used. The sport models are frequently used to study how the training may affect the corticospinal system excitability: Karate represents a valuable sport model for this kind of investigations for...
Depression is common among athletes following sport injury, yet few studies have explored the severity of postinjury depression. Among those studies, only one examined gender differences although women in the general population are more likely than men to experience depression. No research to date has used interviews to assess depression despite their standard use among mental health profession...
Autonomic Arousal–An Early Indicator for the Development of Sleep Breathing Disturbances in Athletes
Background: Sleep is essential for everyone and is important for normal human functioning. Lack of sleep, called sleep deprivation, is a condition leading to poor sport training and achievements. Different factors contribute to sleep deprivation in athletes. Respiratory sleep disorders as Upper Airway Resistance Syndrome (UARS) and Obstructive Sleep Apnea (OSA) are factors that rebound most to ...
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