Lactic acidosis
Lactic acid is a byproduct of muscular over exertion.
The two main types of lactic acid are L-lactic acid and D-lactic acid. They are optical isomers, meaning they have the same chemical formula but differ in the arrangement of atoms. L-lactic acid is the form produced in the human body during strenuous exercise, while D-lactic acid is produced by certain bacteria.
Acidosis
In athletes, blood lactic acid levels typically range from 0.5 to 2.0 mmol/L at rest. During intense exercise, levels can increase significantly, reaching upwards of 10 mmol/L or more. Monitoring lactic acid levels can provide insights into an athlete's training intensity and lactate threshold.
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Lactic acid can cause muscle fatigue and soreness when it accumulates in muscles during intense exercise. It can also contribute to a decrease in pH levels in the body, leading to acidosis which can impact performance. Additionally, excessive levels of lactic acid can cause discomfort and cramping.
Lactate (also known as lactic acid) and NAD+
During exercise, muscles produce lactic acid as a byproduct of energy production when oxygen levels are low. This buildup of lactic acid can cause muscle fatigue, soreness, and a burning sensation.
Lactic acid fermentation converts pyruvate into lactic acid in the absence of oxygen. This process occurs in muscle cells during strenuous exercise when oxygen levels are low, leading to the buildup of lactic acid and temporary muscle fatigue.
A strong acid is defined as one which disassociates completely in water. Lactic acid does not completely disassociate in water, therefore it is catagorized as a weak acid.
acid as in lactic acid?
Human muscle cells use lactic acid fermentation primarily during intense exercise when oxygen levels are low. This process allows for the rapid production of ATP, the energy currency of the cell, by converting glucose into lactic acid. While this enables sustained muscle contraction during short bursts of activity, the accumulation of lactic acid can lead to muscle fatigue. Ultimately, lactic acid can be converted back to glucose in the liver once oxygen levels are restored.