نتایج جستجو برای: athletes growth and instruction
تعداد نتایج: 16941419 فیلتر نتایج به سال:
the purpose of this study was to compare personality traits and anxiety and depression of iranian traditional wrestling athletes with wrestling, taekwondo and kabaddi athletes. 175 sportsmen were randomly selected using morgan and kerjesy table. eysenck personality inventory (epi) and hospital anxiety and depression scale (hads) were used to collect the data. in addition to descriptive statisti...
background: severe and prolonged physical training is associated with morphological and physiological cardiac changes, often termed as the “athlete’s heart”. echocardiographic features peculiar to elite iranian athletes have not been previously described. the aim was to examine the echocardiographic characteristics of highly trained iranian athletes involved in three different sports. methods...
The purpose of this study was to assess the relationship between motivation, engagement and personal and social responsibility among athletes. Based on the literature, a survey was conducted including measures of motivation, considering task orientation and ego orientation, intrinsic and extrinsic motivation, and amotivation. We also measured the components of engagement (dedication, confidence...
just as motivation is important in sla research, demotivation constitutes an important factor, too. there are many studies done on demotivation and burnout of teachers. many of these studies have been conducted on one or two aspects of english instruction. consequently, there are few studies which have been done on more than two aspects of english teaching. the aim of this study is to find out ...
motivation is one of those factors affecting the success and quality of athletic performance. however, limited research has been conducted on the motivational traits of iranian athletes. this study aimed at describing the motivational traits of skilled and novice athletes of team and individual sports in some selected sports fields. players of national teams of the individual sports of karate, ...
In brief: Athletic injuries among children often fall into the category of overuse, with mechanisms similar to overuse injuries in adults. However, the implications for young, growing athletes are much different because the growth plates are involved, resulting in such problems as traction apophysitis and Little League elbow. Early, appropriate intervention, which sometimes includes cessation o...
in this thesis, barium ferrite nano particles were prepared by sol-gel method. their structural and magnetic properties of samples have been investigated using thermo gravimetric analysis (tg-dta), x-ray powder diffractometer (xrd), fourier transform infrared (ftir), scanning electron microscopy (sem), field emission scanning electron microscopy (fesem), ac susceptometer, vibrating sample magne...
in hungary, ecg is a keystone of routine athletic screening. its significance is based on simplicity, quickness and high informative value as well as the fact that appearance of pathological ecg signs can precede the formation of structural heart diseases. during screening of healthy athletes, we studied the incidence of athletic ecg changes and pathological ecg abnormalities. methods: we pe...
OBJECTIVES We studied the impact of the angiotensin-converting enzyme (ACE)/DD genotype on morphologic and functional cardiac changes in adult endurance athletes. BACKGROUND Trained athletes usually develop adaptive left ventricular hypertrophy (LVH), and ACE gene polymorphisms may regulate myocardial growth. However, little is known about the impact of the ACE/DD genotype and D allele dose o...
Background. The kinematics of a controlled functional task in female volleyball athletes may be an interesting area of study. Therefore, investigating if there are kinematic changes in a jump landing jump task among female athletes with low back pain (LBP) may help therapists and trainers better prevent and/or rehabilitate LBP in athletes. Objectives. The purpose of this study was to examine l...
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