Endurance vs. strength training: comparison of cardiac structures using normal predicted values.
J Appl Physiol (1985)
; 64(6): 2552-7, 1988 Jun.
Article
en En
| MEDLINE
| ID: mdl-3403439
ABSTRACT
There are still disagreements concerning the adaptation of cardiac structures in relation to different training stimuli. To eliminate some of the variance due to individual differences in body surface area, we utilized a new approach based on the calculation of the percentages of each individual's normal predicted values (%NPV). We studied 46 strength (S, bodybuilders) and 57 endurance (E, runners) athletes. Left ventricular (LV) mass was 143.8 +/- 21.9 %NPV (mean +/- SD) in E vs. 134.3 +/- 23.4 %NPV in S (P less than 0.05), and LV volume was 131.0 +/- 24.0 %NPV in E vs. 120.0 +/- 25.5 %NPV in S (P less than 0.05). Moreover, the LV wall thickness-to-radius ratio did not differ from normal values in either group. From these data we conclude that 1) cardiac modifications are greater in E than S, 2) the predominant stimulus is a volume overload type in both groups, and 3) concentric LV hypertrophy may not be as prevalent in S as previously suggested.
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Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Deportes
/
Esfuerzo Físico
/
Corazón
Tipo de estudio:
Prognostic_studies
/
Risk_factors_studies
Límite:
Adult
/
Humans
/
Male
Idioma:
En
Revista:
J Appl Physiol (1985)
Asunto de la revista:
FISIOLOGIA
Año:
1988
Tipo del documento:
Article
País de afiliación:
Canadá