一、耐乳酸训练中小学800米比赛中,经常看见运动员在400米过后人体出现呼吸急促,两腿酸沉导致速度有所下降。这是因为体内的乳酸堆积所产生的反应。因此,欲取得好的成绩,首先需进行耐酸训练,即在乳酸大量堆积的情况下,仍要保持相当距离的高速 First, the resistance to lactation Training 800 meters in primary and secondary schools, athletes often see the body after 400 meters of shortness of breath, resulting in lower limb soreness decreased. This is due to the reaction of lactic acid accumulation in the body. Therefore, to achieve good results, first of all need to carry out acid training, that is, a large accumulation of lactic acid in the case, still have to maintain a considerable distance of high-speed