Dopamine in movement. A part of the brain called the basal ganglia regulates movement. Basal ganglia in turn depend on a certain amount of dopamine to function at peak efficiency. The action of dopamine occurs via dopamine receptors, D1-5. Dopamine reduces the influence of the indirect pathway, and increases the actions of the direct pathway within the basal ganglia.
In general terms, your THR is 60-80% of your maximum heart rate. You can either estimate what your THR is based on your age, or calculate it effectively by using the Karvonen or Zoladz method. Whichever way you do it, remember the THR is measured in beats per minute (bpm).
the maximum heart rate is the highest heart rate achieved during maximal exercise one simple method to calculate your predicted maximum heart rate uses this formula 220 your age predicted maximum heart rate example a 40 year old s predicted maximum heart rate is 180 beats minutethere are other formulas that take into account the variations in maximal heart rate with age and gendersually this is when your exercise heart rate pulse is 60 to 80 percent of your maximum heart rate in some cases your health care provider may decrease your target heart rate zone to begin with 50 percent