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| Laktattröskel (OBLA)× | VO2 Max (Bruceprotokollet)× | |
|---|---|---|
| Ämnesområde | Idrottsvetenskap | Idrottsvetenskap |
| Familj | Hypothesis test | Hypothesis test |
| Ursprungsår≠ | 1973 | 1963 |
| Upphovsperson≠ | Klaus Wasserman | Robert Bruce |
| Typ≠ | incremental blood sampling test | graded maximal exercise test |
| Ursprungskälla≠ | 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 ↗ | Bruce, R. A. (1963). Evaluation of functional capacity and exercise tolerance of cardiac patients. Modern Concepts of Cardiovascular Disease, 32(4), 1-4. link ↗ |
| Alias≠ | OBLA, anaerobic threshold, lactate turnpoint, maximal lactate steady state | maximal aerobic capacity, aerobic power, cardiorespiratory fitness |
| Närliggande | 5 | 5 |
| Sammanfattning≠ | 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. | VO2 max represents the maximum amount of oxygen a person can utilize during intense exercise, measured in millilitres of oxygen per kilogram of body weight per minute (ml/kg/min). Developed by Robert Bruce in 1963, the Bruce Protocol is a graded maximal exercise test on a motorized treadmill that incrementally increases speed and incline until the subject reaches volitional exhaustion. This test is a gold standard in clinical and sports medicine for assessing cardiorespiratory fitness and aerobic capacity. |
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