http://www.sciencedaily.com/releases/2009/11/091111122026.htm
OUR VIEW:
As we move forward into the 21st Century, the exercise community is acknowledging that anaerobic conditioning actually will improve aerobic conditioning. How does it work? There are several adaptations that occur with interval training. As we complete short, high intensity bursts of exercise we actually improve our anaerobic, lactate, and ventilatory thresholds.
What is the Anaerobic Threshold (AT)?
The term Anaerobic Threshold was introduced over 40 years ago and is based on the concept that at high-intensity levels of exercise, energy demands are higher than oxygen utilization. At this point, for exercise to continue, energy supply needed to shift from the aerobic energy system as the primary energy source to the anaerobic energy systems.
What is the Lactate Threshold (LT)?
At rest and under steady-state exercise conditions, blood lactate production is equal to blood lactate removal. The lactate threshold refers to the intensity of exercise at which blood lactate production is higher than blood lactate removal.
What is the Ventilatory Threshold (VT)?
As exercise intensity progressively increases, the air into and out of your respiratory tract increases linearly or similarly. As the intensity of exercise continues to increase, there becomes a point at which ventilation starts to increase in a non-linear fashion. This point where ventilation deviates from the progressive linear increase is called VT. The VT corresponds (but is not identical) with LT.
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