Bestimmung von Schlag- und Minutenvolumen nach Arbeitsleistung mit der ballistischen Methode

Klensch, H; Hohnen, H. W.

doi:10.1007/bf00595648

Cited by 8 publications

(1 citation statement)

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“…In several of the relevant studies, endurance-trained athletes at rest have been found to have not only lower heart rates, but also lower cardiac outputs than untrained subjects (3,16,19,25,37). More recent human observations (30) have shown, however, that this finding of a lower cardiac output only applies to such athletes who are actually in training.…”

Section: Introductionmentioning

confidence: 99%

Resting Echocardiographic Parameters After Cessation of Regular Endurance Training

Pavlik¹,

Bachl²,

Wollein³

et al. 1986

Int J Sports Med

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Resting echocardiograms were examined in nonathletic healthy young men (controls, n = 16), in highly trained endurance athletes (n = 20), and in endurance athletes who stopped regular training (n = 40). The relative muscular wall thickness (Rel. MWTd), left ventricular internal diameters both in diastole and in systole (LVIDd, LVIDs), thus also the end-diastolic and end-systolic volumes (LVEDV, LVESV), and the stroke volume index (SVI) were greater in the endurance athletes still in training than in the nonathletes. The ejection fraction (EF), heart rate (HR), cardiac index (CI), and mean circumferential shortening velocity (Vcf) were significantly lower in the athletes. During the 60 days of detraining no change was seen in the Rel. MWTd, LVEDV, LVESV, and HR. The SVI became even greater; EF and Vcf rose up to the control level while CI exceeded it. The cardiovascular regulation is therefore assumed to undergo a peculiar shift during detraining in that a persisting cardiac enlargement and bradycardia is associated with a temporarily unstable autonomous control. This imbalance often leads to a hyperkinesis-like syndrome when an athlete stops endurance training abruptly.

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Section: Introductionmentioning

confidence: 99%