Target Heart Zone

(redirected from Anaerobic Threshold Zone)
An exercise intensity that evokes a heart rate of 65% to 85%, which is the most popular zone—given the lack of lactate buildup—for improving endurance and general fitness
References in periodicals archive ?
At the end of the second quarter, the average value of blood lactic acid is 5.5 mmol, which indicates that the body undergoes a "drift" (Guejd et al., 2006), a cardiovascular adaptation process determined by the work within the anaerobic threshold zone. At the end of the third quarter, the average value of blood lactic acid is 5.6 mmol, the body undergoing a cardiovascular adaptation process similar to that occurred at the end of the second quarter, which shows that the effort in this quarter is also situated within the anaerobic threshold zone.
To conclude, we can state that the first and the last quarters are the most demanding, in terms of exercise intensity (it is noted that work is done in V[O.sub.2] max, exercise intensity towards 90%), while in the second and third quarters, due to specific adaptation, the effort falls within the anaerobic threshold zone.