Left ventricular dimensions following training in young and middle-aged men
Deutscher übersetzter Titel: | Auswirkung von koerperlichem Training auf die Masse des linken Ventrikels bei Maennern in jungem und mittlerem Lebensalter |
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Autor: | Perrault, H.; Lajoie, D.; Pueronnet, F.; Nadeau, R.; Tremblay, G.; Lebeau, R. |
Erschienen in: | International journal of sports medicine |
Veröffentlicht: | 3 (1982), 3, S. 141-144, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource Elektronische Ressource (online) |
Sprache: | Englisch |
ISSN: | 0172-4622, 1439-3964 |
DOI: | 10.1055/s-2008-1026077 |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU198303018332 |
Quelle: | BISp |
Abstract
To document the effects of endurance training upon left ventricular dimensions, an echocardiographic examination was performed on 11 young (19 +/- 1 years) and 13 middle-aged (40 +/- 3 years) subjects before and after a 20-week endurance training program. The maximal working capacity was increased by 28 and 27 in young and in middle-aged subjects, respectively. Following training, the left ventricular posterior wall and septal thickness in diastole were unchanged both in young (10.1 +/- 0.2 mm and 9.0 +/- 0.2 mm, pre-; 10.1 +/0.2 mm and 9.3 +/- 0.3 mm, post-) and in middle-aged subjects (10.0 +/- 0.3 mm and 10.2 +/- 0.3 mm, pre-; 9.7 +/- 0.2 mm and 10.1 +/- 0.2 mm, post-); the left ventricular end-diastolic internal diameter was unchanged in middle-aged subjects (47.8 +/- 0.9 mm, pre-; 48.1 +/- 1.0 mm, post-) but was significantly increased in young subjects (47.8 +/- 1.0 mm, pre; 49.9 +/- 1.0 mm, post-). These data could suggest that the left ventricular adaptation to training decreases with age. However, the decrease in resting heart rate observed in young subjects (68 +/- 3 to 60 +/- 2 beats/min) but not in middle-aged subjects (63 +/- 3 and 65 +/- 3 beats/min) could also increase diastolic filling time and explain the small left ventricular end-diastolic enlargement found in the young subjects. Verf.-Referat