Answer:
walk around to lower heart rate is the most effective way for to cool down after kickboxing.
Explanation:
During Kickboxing physical activity increases and body's muscle cells respire more in comparison when the body is at rest. As the muscles cells activity increases they need more oxygen which they get from blood circulation. Therefore,for high blood circulation, heart rate increases and it can be increased so high that a cardiovascular condition(heart attack, chest pain or stroke) can takes place. So it is necessary to cool down after kickboxing to lower the heart rate.
Therefore walk around to lower heart rate is the most effective way to cool down after kickboxing.
