早晨,在湖边、操场、公园,到处可见晨起锻炼的男女老幼。他们跑步、打攀、跳舞、练功、打球、做操,一片勃勃生机。然而有不少人由于不懂得科学的锻炼知识,运动中存在一些误区,结果事与愿违。闻鸡起舞“闻鸡起舞”,往往是中老年人的锻炼习惯,但并不可取。因为中老年人可出现心肌梗死。缺血、心律紊乱等病变,在一天24小时内,以早晨 Morning, at the lake, playgrounds, parks, everywhere early morning exercise of men, women and children. They run, climb, dance, practice, play, do exercises, a vitality. However, many people do not understand scientific exercise knowledge, there are some misunderstanding in the movement, the result is contrary to expectations. Smell the chicken dance “Smell the chicken dance”, is often the exercise habits of the elderly, but not desirable. Because of the elderly may be myocardial infarction. Ischemia, arrhythmia and other diseases, in the morning 24 hours a day