Results 31 to 40 of about 3,357,982 (188)

Cardiac Structure and Cardiorespiratory Fitness in Young Male Japanese Rugby Athletes

open access: yesJournal of Cardiovascular Development and Disease, 2023
Limited data are available on athlete’s heart for rugby athletes. This study aimed to investigate cardiac structure and its relationship with cardiorespiratory fitness in young Japanese rugby athletes.
Yoshitaka Iso   +9 more
doaj   +1 more source

Confirmatory factor analysis of the thought occurrence questionnaire for sport (TOQS) among adolescent athletes [PDF]

open access: yes, 2007
There is an inherent link between theory and measurement suggesting that validation of measures should be the first stage of theory testing. The aim of the present study was to cross-validate the factorial validity of the Thought Occurrence Questionnaire
Harwood, Chris   +2 more
core   +1 more source

Perfectionism and training distress in junior athletes: A longitudinal investigation [PDF]

open access: yes, 2016
Perfectionistic athletes may train harder and for longer than non-perfectionistic athletes, leaving them susceptible to elevated levels of training distress.
Stoeber, Joachim   +5 more
core   +1 more source

Global longitudinal active strain energy density (GLASED): age and sex differences between young and veteran athletes

open access: yesEcho Research and Practice
Background Global longitudinal active strain energy density (GLASED) is an innovative method for assessing myocardial function and quantifies the work performed per unit volume of the left ventricular myocardium.
David H. MacIver   +6 more
doaj   +1 more source

Differential inflammatory responses to acute exercise and ex vivo immune challenge in young and master athletes

open access: yesFrontiers in Immunology
BackgroundLifelong exercise is associated with beneficial immune adaptations, but the extent to which these adaptations manifest during an acute inflammatory challenge remains unclear.
Luciele Guerra Minuzzi   +18 more
doaj   +1 more source

Nutritional supplement use by elite young UK athletes: fallacies of advice regarding efficacy

open access: yesJournal of the International Society of Sports Nutrition, 2008
Background The objective was to study nutritional supplement use among young elite UK athletes to establish whether a rationale versus practice incongruence exists, and to investigate the sources of information.
Bloodworth Andrew   +5 more
doaj   +1 more source

Bone mineral density and bone turnover in male master track and field athletes aged 40-64 [PDF]

open access: yes, 2010
We evaluated areal bone mineral density (aBMD), bone mineral content (BMC), and markers of bone turnover in male competitive masters athletes representing different training profile in the past and at present, aged 40–64 (14 endurance runners, and 12 ...
Rittweger, Jörn   +21 more
core   +1 more source

Doping in young athletes: incidence and antecedents [PDF]

open access: yes, 2014
If anti-doping campaigners can identify dopers before they engage in such behaviour, then it may be possible to prevent future misconduct. However, one of the biggest challenges for anti-doping administrators is how to deter young athletes from doping ...
Engelberg, Terry   +2 more
core   +2 more sources

Female body image perceptions: the case of elite athletes, habitual exercisers, and inactive individuals [PDF]

open access: yes
To date, research has been equivocal when comparing the body image perceptions of elite athletes, habitual exercisers, and inactive young females. Understanding body image perceptions of athletes, exercisers and inactive females is significant due to ...
Reeve, Victoria
core   +3 more sources

Preventive and rehabilitation direction in the system of multiple training of youth sportsmen with functional disorders of the muscular apparatus

open access: yesJournal of Education, Health and Sport, 2016
Relevance. In the modern theory of sport, the issue of the health of the athlete has become especially relevant in view of its close relationship with the problem of the effectiveness of the process of long-term sports training.
Oksana Samoiliuk
doaj   +3 more sources

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