Lactate threshold
Lactate Threshold
Lactate threshold (pronounced: LAK-tate THRESH-old), also known as the anaerobic threshold, is a term used in exercise physiology to describe the point during high-intensity exercise at which lactate begins to accumulate in the blood at a faster rate than it can be removed. This accumulation can result in fatigue and a decrease in performance.
Etymology
The term "lactate threshold" is derived from the words "lactate", a byproduct of anaerobic metabolism, and "threshold", which refers to the point or level at which something begins or changes. It was first used in the context of exercise physiology in the 1960s.
Related Terms
- Anaerobic exercise: Physical activity that breaks down glucose in the body without using oxygen. This process produces lactate.
- Aerobic exercise: Physical activity that requires oxygen to meet energy demands during exercise via aerobic metabolism.
- Lactic acid: A chemical compound that plays a role in various biochemical processes and is produced in the muscles during intense activity.
- VO2 max: The maximum rate of oxygen consumption measured during incremental exercise.
See Also
References
- Brooks, G. A. (2000). Intra- and extra-cellular lactate shuttles. Medicine & Science in Sports & Exercise, 32(4), 790-799.
- Faude, O., Kindermann, W., & Meyer, T. (2009). Lactate threshold concepts: how valid are they?. Sports Medicine, 39(6), 469-490.
External links
- Medical encyclopedia article on Lactate threshold
- Wikipedia's article - Lactate threshold
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