The primary purpose of the present study was to identify motivational profiles of adolescent athletes using cluster analysis in non-Western culture. A second purpose was to examine relationships between physical self-perception differences of adolescent athletes and motivational profiles. One hundred and thirty six male (Mage = 17.46, SD = 1.25 years) and 80 female adolescent athletes (Mage = 1...

BACKGROUND The right ventricular (RV) area is important for diagnosis and follow-up in patients with various diseases, such as in pulmonary hypertension. OBJECTIVES The aim of this study was to define the reference ranges of the end-diastolic RV area in healthy adults and to assess the determining factors. METHODS In the first part of the study 860 healthy subjects (37.6% female; mean age 2...

The purpose of this study was to examine the relationship between dispositional mindfulness and burnout and whether this relationship is mediated by perceived stress, negative affect and positive affect in elite junior athletes. Participants were 233 (133 males and 100 females) adolescent athletes, ranging in age from 15 to 19 years (M = 17.50; SD = 1.08). Bivariate correlations revealed that m...

The purpose of this study was to examine the reliability of the preliminary Spanish version of the Sport Imagery Questionnaire (SIQ). The SIQ was developed to examine five cognitive and motivational functions of imagery use. Participants were 81 athletes competing in soccer (n = 43) and roller skating (n = 38), ranging in age from 14 to 29 years (M = 18.10, SD = 3.16). Reliability was evaluated...

This study retrospectively explored perceptions of coach, parent and peer motivational influences across athlete development. Four investment stage football players (M age = 18.5years, SD=0.6) with an average 13 (SD=1.4) years footballing experience, four their parents, were interviewed to investigate motivationally-relevant influence during the athletes’ sampling, specializing stages Abductive...

background: one of the important sites for extrapulmonary tb involvement is the skeleton. tuberculous spondylitis (pott’s disease) comprises 50-70% of the skeletal tuberculosis. methods: in this case series study, we prospectively investigated the result of anterior surgery alone (anterior debridement, fusion and instrumentation) in the patients with spinal tuberculosis. the patients with immat...

Muscle fibre profile area (Af), volume density (Vv), capillary-to-fibre ratio (CF) and number of capillaries per fibre square millimetre (CD) were determined from needle biopsies of vastus lateralis of twenty-four male volunteers (mean +/- SD: age 25.4+/-5.8 years, height 178.6+/-5.5 cm, body mass 72.1+/-7.7 kg) of different training background. Seven subjects were untrained students (group A),...

BACKGROUND The rate of early sport specialization in professional baseball players is unknown. PURPOSE To report the incidence and age of sport specialization in current professional baseball players and the impact of early specialization on the frequency of serious injuries sustained during the players' careers. We also queried participants about when serious injuries occurred, the players' ...