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| Ambang Laktat (OBLA)× | Pemulihan Denyut Jantung× | |
|---|---|---|
| Bidang | Ilmu Keolahragaan | Ilmu Keolahragaan |
| Keluarga | Hypothesis test | Hypothesis test |
| Tahun asal≠ | 1973 | 1999 |
| Pencetus≠ | Klaus Wasserman | Cleveland Clinic Group |
| Tipe≠ | incremental blood sampling test | exercise recovery test |
| Sumber perintis≠ | 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 ↗ |
| Alias | OBLA, anaerobic threshold, lactate turnpoint, maximal lactate steady state | HRR, heart rate variability recovery, parasympathetic tone, autonomic recovery |
| Terkait | 5 | 5 |
| Ringkasan≠ | 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. |
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