Published in March 13th, 2009
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Lactate threshold refers to the intensity of exercise during which accumulation of lactic acid begins to accumulate in the circulatory system. This is a scenario which presents itself when the rate of lactic acid is faster than the rate of its metabolism. This point is at other times simply referred to as anabolic threshold, or LT. it marks the onset of accumulation of blood lactate. When you are doing exercises below the anaerobic threshold, all the lactic acid released into the blood stream is metabolized and removed from the body.
For bodybuilders, lactate threshold is a crucial tool for measuring how intense an activity is. This applies to all other endurance sports and increases greatly with increased activity. When your body is able to perform above the rate of your lactate threshold, you have a higher level of endurance. In medical dimensions, your anaerobic threshold is about 85% of your fastest heartbeat rate. Interval training among bodybuilders is meant to benefit from the ability of the body to surpass the lactate threshold.
The recovery period comes as a welcome measure which making the slight differences in the intervals meaningless. In other words, it becomes difficult to differentiate between the first and last interval.
When you have surpassed the threshold, you should jog or walk around instead of sitting down. These rest durations are common in almost all sports. This why footballers will use their sudden bouts of speed to make intricate goal-earning moves they keep replicating throughout the game. You have to exert maximum effort while you can before easing down to a mere jog. In bodybuilding terms, this can be explained in terms of weights, reps and sets.
Blood samples need to be taken for lactate threshold to be measured. This test is called a ramp and is devised in a way that ensures progressive increase in the intensity of the exercise. Another non-invasive way is to use respiratory quotient or gaseous exchange method. A metabolic cart measures the air that is being inhaled and exhaled. Some testing machines put up an estimation limit at the point where the concentration reaches 4mM. To get a rough estimate of what this means, the concentrate at rest is about 1mM.
If you take a closer look at aerobic exercises, you will notice that they are of lower intensity when it comes to the scale of activities than the case of anaerobic exercises. The lactate threshold is rarely attained. The bodybuilder will not generate ant lactate acid because his body has enough supply of oxygen. You may be wondering why I am mentioning anything to do with oxygen here.
For any stannous activity, there is always use of oxygen in order to supply the body muscles with the raw materials which drive the muscles. Such materials are in form of oxygen. When you do anaerobic exercises, the supply of oxygen is lower than the amount that the body requires. This may force the bodybuilder to gasp for breath. The muscles produce lactic acid as a metabolite that is a chemical resulting from production of high amounts of energy under conditions of minimum amounts of oxygen.
dane fletcher is the world-wide authority on http://www.bodybuildingtoday.combodybuilding and http://www.steroidstoday.comsteroids. he has coached countless athletes all over the world. to read more of his work, please visit either http://www.bodybuildingtoday.com or http://www.steroidstoday.com
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