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| Праг на лактата (OBLA)× | Възстановяване на сърдечната честота× | |
|---|---|---|
| Област | Спортна наука | Спортна наука |
| Семейство | Hypothesis test | Hypothesis test |
| Година на възникване≠ | 1973 | 1999 |
| Създател≠ | Klaus Wasserman | Cleveland Clinic Group |
| Тип≠ | incremental blood sampling test | exercise recovery test |
| Основополагащ източник≠ | Wasserman, K., Whipp, B. J., Koyal, S. N., & Beaver, W. L. (1973). Anaerobic threshold and respiratory gas exchange during exercise. Journal of Applied Physiology, 35(2), 236-243. DOI ↗ | Cole, C. R., Blackstone, E. H., Pashkow, F. J., Snader, C. E., & Lauer, M. S. (1999). Heart-rate recovery immediately after exercise as a predictor of mortality. New England Journal of Medicine, 341(18), 1351-1357. DOI ↗ |
| Други названия | OBLA, anaerobic threshold, lactate turnpoint, maximal lactate steady state | HRR, heart rate variability recovery, parasympathetic tone, autonomic recovery |
| Свързани | 5 | 5 |
| Резюме≠ | Lactate threshold, also termed the onset of blood lactate accumulation (OBLA), is the exercise intensity at which blood lactate concentration increases rapidly and non-linearly. Initially defined by Klaus Wasserman in 1973, the concept describes the physiological transition from aerobic to anaerobic metabolism. As exercise intensity increases, lactate production and clearance remain balanced until a critical threshold is exceeded, after which lactate rapidly accumulates in the blood, signaling a shift toward anaerobic energy pathways. This parameter is crucial in endurance sports and clinical exercise assessment. | Heart rate recovery (HRR) is the decline in heart rate during the first minutes following maximal or submaximal exercise, reflecting the reactivation of parasympathetic (vagal) tone. Introduced as a clinical predictor by Cole and colleagues (1999), HRR serves as a non-invasive biomarker of cardiac autonomic function and overall cardiovascular health. A rapid decline in heart rate after exertion indicates efficient parasympathetic reactivation and healthy autonomic nervous system balance. Conversely, blunted HRR (slow heart rate recovery) is associated with increased mortality risk, autonomic dysfunction, and poor exercise tolerance. |
| ScholarGateНабор от данни ↗ |
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