NUTRITION IN EXERCISE AND SPORT , NUTRITION IN EXERCISE AND SPORT , کتابخانه مرکزی دانشگاه علوم پزشکی ایران

Nutrition in Exercise and Sport

Te l l I: Einleitung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117 A. Die F r a g e tier s p o r t l i c h e n H e r z h y p e r t r o p h i e im S c h r i f t t u m der l e t z t e n 5 0 . J a h r e . . . . . . . . . . . . . . . . . . . . . . . 119 B. U n t e r ~ u e h u n g e n i i be r O r ~ f e , F o r m und B e w e g u n g s b i t d des S p o r t h e r z e n s . . . . . . . . . . . . . . . . . . . . . . . . . . 136 I. Unt ersuchungsverfahren . . . . . . . . . . . . . . . . . . . . 136 I1. Das Herz des jugendlichen Sportlers . . . . . . . . . . . . . . 143 a) Herzformund -gr6Be . . . . . . . . . . . . . . . . . . . . 143 b) Bewegungsbild des Herzens . . . . . . . . . . . . . . . . . 150 III. Das Herz des ~lteren Sportmannes . . . . . . . . . . . . . . . 165 a) Herzform und -gr0f3e . . . . . . . . . . . . . . . . . . . . 165 b) Bewegungsbild des Herzens . . . . . . . . . . . . . . . . . 171 C. A b s c h l i e S e n d e B e u r t e i l u n g d e r U n t e r s u c h u n g s e r g e b n i s s e . . . 200 D. U b e r s i c h t s t a b e l l e n t ier E i n z e l w e r t e s~ imt l i che r H e r z und K O r p e r m a B e der u n t e r s u c h t e n S p o r t i e r . . . . . . . . . . . . . . 207 E. V e r z e i c h n i s des $ c h r i f t t u m s . . . . . . . . . . . . . . . . . . 220

Größe, Form und Bewegungsbild des Sportherzens

Eine Versuchsreihe vonGrollman, Proger undDennig, die die Unbrauchbarkeit der Acetylenmethode nachMarshall undGrollman zur Bestimmung des Herzminutenvolumens bei Arbeit zeigen soll, wird kritisch durchgegangen. Es werden Kreislaufversuche bei Arbeit an densplben Vpn. sowohl nachKrogh undLindhard wie auch nachMarshall undGrollman ausgefuhrt, und die erhaltenen Resultate zeigen, das die beiden Methoden auch bei schwerer Arbeit als gleichwertig angesehen werden mussen. Die erhaltenen Werte stimmen ganz mit den Werten, dieBock und Mitarbeiter mit einer ganz anderen Methodik erzielt haben, uberein. Wir meinen also immer noch behaupten zu konnen, das die vonMarshall undGrollman angegebene Methode in der von uns verwendeten Modifikation fur Kreislaufbestimmungen bei schwerer korperlicher Arbeit sehr wohl geeignet ist.

Beiträge zur Physiologie schwerer körperlicher Arbeit

Identification and Development of Talent in Young Female Gymnasts J. Prescott, Loughborough University 1999 In the most recent survey, Performance Directors and Sports Scientists highlighted talent identification to be the top priority for research within Great Britain (Burwitz, 1999). However, the identification of talent is only the first stage of a continuous process of development through which sporting excellence may be realised. The contribution of talent identification to the attainment of excellence in Women's Artistic Gymnastics has yet to be conclusively determined. Moreover, as a result of the lack of longitudinal research in this area, the impact of growth and maturation upon the development of talent characteristics in the young female gymnast is not fully understood. A longitudinal study was conducted to examine the identification and development of talent within a mixed ability sample of 48 young female gymnasts. Potentially prognostic talent characteristics from social-demographic, physical, perceptual-motor and psychological dimensions of performance were assessed in an ̀ initial' measurement session (September 1996). The `future' performance of the gymnasts was assessed 17 months later (February 1998) using a composite index of competitive performance and technical skill acquisition. The performance of gymnasts was classified as successful or unsuccessful according to this index. The relationship between the `initial' talent characteristics and `future' gymnastic performance was examined using principal components analysis and logistic regression. Using a similar approach, the extent to which a reduced battery of talent characteristics was able to distinguish between the gymnasts and a group of 15 untrained control subjects was determined. Finally, to provide an insight into the longitudinal development of the talent characteristics, the initial test battery was administered to the gymnasts on two further occasions separated by a measurement interval of six months. The results indicated that the profile of the young female gymnast is multidimensional. It is recommended that information should be analysed within each dimension of performance before being combined to produce a multidimensional profile. The physical characteristics were found to be the most prognostic indicators of talent and were recommended for inclusion in both the initial identification and subsequent monitoring processes. Support was also provided for the predictive validity of perceptualmotor characteristics, however, the contribution of these characteristics may be enhanced by further improvements in measurement reliability. Recommendations were drawn from the social-demographic and psychological dimensions concerning the most effective organisation of the training environment. The results from each dimension were combined to produce guidelines for the initial identification and subsequent development of talent within young female gymnasts.

Identification and development of talent in young female gymnasts

Interest in studying the social, cultural, political and economic history of athletics and other physical activities has grown extensively during the last four decades and a growing number of academics have come to realize that there is much to be learned about the salience of ‘sport’ in human societies. With few exceptions it is only recently that historical studies of what now are referred to as ‘exercise science’ and ‘sports medicine’ have begun to appear. To better understand why – and how – these emerged and evolved it is important to attend to what Thomas Neville Bonner stated in his 1995 book Becoming a Physician: Medical Education in Britain, France, Germany, and the United States, 1750–1945: look beyond ‘exclusively national terms’ and try to understand how ‘national differences’ have effected developments. It is no less important to give due attention to values that were an integral part of modern sports as these developed in different countries from the mid-1800s to the mid-1900s. In 1953, when...

Physicians, Scientists, Exercise and Athletics in Britain and America from the 1867 Boat Race to the Four-Minute Mile

Ergebnisse der sportärztlichen Untersuchungen bei den IX. Olympischen Spielen in Amsterdam 1928

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Ergebnisse der sportärztlichen Untersuchungen bei den IX. Olympischen Spielen in Amsterdam 1928