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What is the approximate blood lactate level in mmol at the anaerobic threshold?
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What is the differences between anaerobic threshold and lactate threshold?
Lactate Threshold and Anaerobic Threshold (also known as the Onset of Blood Lactate Accumulation OBLA) are very similar and for most intents and purposes are referred to as the same thing. Lactate Threshold is the point at which lactic acid produce in the muscle during glycolysis is not metabolised as fast as it is being produced. Anaerobic Threshold is the result of this Lactate Threshold, after Lactate Threshold occurs the extra lactic acid from the muscle then acuminates into the blood, once Blood Lactate (BL) level reaches 4 mmol/L it is defined as Anaerobic Threshold or OBLA. Additionally, this Lactic acid is then Broken into lactate and acid (H+ ions). The lactate is recycled and used as an energy source, while the H+ ions are neutralised in the blood, with a by-product being CO2, the CO2 then needs to be expelled through ventilation, this is called Ventilatory Threshold (VT) and is characterised by a sudden heavy ventilation. Put simply Lactate Threshold, Anaerobic Threshold and Ventilatory Threshold happen in a cascade chain and each threshold usually occurs soon after the one before it. (non-plagarised reference: s4121335 UQ)
What is the relation between lactate threshold and ventilatory threshold?
They both are reached are approx the same time, it is thought to be that the large change (drop) in blood pH when the lactate threshold is reached is causes ventilation to increase rapidly to try and counteract this blood pH change. The lactate threshold itself is just the point at which lactate removal can no longer keep up with lactate production.
What does the term anaerobic threshold refer to?
it is to describe the phenomenon that takes place in all athletes- namely the maximal speed or effort that an athlete can maintain and still have no increase in lactate. At this speed or effort, lactate levels in the blood remain constant. it is to describe the phenomenon that takes place in all athletes- namely the maximal speed or effort that an athlete can maintain and still have no increase in lactate. At this speed or effort, lactate levels in the blood remain constant.
Are red blood cells aerobic or anaerobic?
Aerobic respiration occurs in mitochondria. Red blood cells (RBCs) do not have nuclei (they are 'anucleate') and therefore also do not have mitochondria. Hence RBCs respire anaerobically, converting pyruvate, via the Cori Cycle, to lactate. This lactate is then traversed to the liver, via the blood, where it is metabolised.
Why does lactate accumulate in the blood during bursts of very vigorous exercise?
Lactate accumulates because of the lack of available oxygen in the muscles. In anaerobic conditions, the pyruvate produced by glycolysis is reduced to lactate via lactate dehydrogenase (while also oxidizing a single molecule of NADH to regenerate NAD+). NAD+ is a very important molecule and must readily be available in the cytoplasm in order for glycolysis to proceed.
I am exercising well below my anaerobic threshold so why does my face get so red?
This reddening is called erythema and is caused, while exercising or during massage, by the dilation of the blood capillaries under the surface of the skin (epidermis).
What are the ratings and certificates for Threshold - 2005 Blood of the Children 1-3?
Threshold - 2005 Blood of the Children 1-3 is rated/received certificates of: Netherlands:16
What is the clinical threshold for high blood pressure?
It is Bacteria and Mould
What causes the leg muscles to lock during running?
For anaerobic running (sprinting) use of glycogen as a substrate for energy will result in a high concentration of hydrogen ions and blood lactate. Although you may hear that blood lactate is responsible for "locking up" during these events, it is actually the [H+] that lowers the Ph of the blood and in turn causes your body to start protecting itself by blocking actin from attaching to myosin, thereby preventing muscle contraction.
What does FAN on a blood culture bottle mean?
It may depend on the brand of blood culture bottles, but there are generally 2 types of bottles drawn on an adult patient; one to culture aerobic organisms and one for anaerobic or facultatively anaerobic organisms. Anaerobic organisms require no oxygen for growth. Facultative means the organism seems to do better under anaerobic conditions. AN for anaerobic...perhaps the F means facultatively.
In what organs does the anaerobic glycolysis occurs in?
red blood cells , brain
Why do increased hemoglobin levels decrease blood lactate levels?
mmm you spelled that wrong. its hemoglobin, fyi.
