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Topic: Lactate


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In the News (Sun 15 Nov 09)

  
  Lactate
Since this time the increase in blood lactate has been interpreted as a marker for increased glycolytic metabolism, which in turn has been interpreted as a sign of anaerobiosis.
Regardless of the controversy, blood lactate increases during incremental exercise have been repeatedly used to predict/explain aerobic exercise performance.
Improved detection of the lactate threshold during exercise using a log-log transformation.
www.unm.edu /~rrobergs/lactate.htm   (0 words)

  
  Critical Care | Full text | Bench-to-bedside review: Lactate and the kidney
The renal contribution to lactate removal thus increases from 16% at a pH of 7.45 to 44% at a pH of 6.75 [4].
Lactate uptake is the major mechanism of renal lactate removal and appears to be essentially confined to the cortex [5,14], as shown by radioisotopic methods in isolated, perfused rat kidney [14].
Lactate may thus be the major gluconeogenetic precursor in the kidney under some conditions, and contributes significantly to the glycemic impact of other renal-specific precursors of gluconeogenesis such as glycerol [17], alanine and glutamine [19].
ccforum.com /content/6/4/322   (3060 words)

  
 lactate testing
Lactate is a metabolic product that can be measured by taking a drop of blood at a finger tip the same way diabetics monitor their blood sugar level.
Lactate measurement is far more precise than the outdated and inaccurate method of using percentages of maximum heart rate to set training zones.
A Lactate Threshold test is a "Ramp Stress Test", meaning that effort is increased during the test (in the pool, on a stationary bike, on a treadmill, or on the track).
www.mycoachchris.com /lactate_threshold.htm   (517 words)

  
 Lactate and Lactic Acid Testing - Basic
The coach was happy with the maximum lactate level and he estimated that this athlete had a threshold about 165 bpm and generates about 3.0 mmol of lactate at this heart rate.
The maximum lactate produced is higher just prior to the competition, indicating that the cyclist has built more anaerobic power as well, and should perform well in attacks and sprints.
Lactate testing provides the best estimate of the lactate threshold but it is an estimate.
www.lactate.com /pitesbas.html   (0 words)

  
 Lactate
Lactate is both produced and used by the muscles, its rate of production increases as the exercise intensity increases and as more carbohydrate is used to fuel exercise.
The lactate turn point might be best defined as the exercise intensity or running speed that produces a blood lactate concentration of 3mmol per litre per minute during a progressive maximal exercise test to exhaustion.
Lactate is metabolized to glycogen in the inactive skeletal muscles and enters the blood stream; to be used by glycogen depleted active muscles.
www.westvillesc.co.za /tubby/tubbylactate.htm   (861 words)

  
 Generate Your Next Level: Lactate Testing
Lactate is a metabolic product that can be measured by taking a drop of blood at a finger tip the same way diabetics monitor their blood sugar level.
Lactate is mainly produced at muscle cells, erythrocytes and brain cells, and metabolized by the liver.
As lactate concentration increases in the blood during exercises due to lack of oxygen at the muscle, lactate can be measured to evaluate physical performance or to establish proper exercise intensity of exercise for athletes.
www.jdssportcoaching.com /lactatetesting.html   (759 words)

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