不少同志从平房搬进楼房后,往往埋怨住得太高,认为上下楼梯不方便,七八层楼每天来来回回多少趟,累得满头大汗,气喘吁吁。然而,一些人不曾体会到爬楼梯却是一项很好的健身活动。据测定,在相等条件下,爬山和登楼消耗的热量不相上下.比慢跑步要多出两倍,比散步要多出四 Many comrades often complain that they live too high after they move into the building from the bungalows. They think that going up and down the stairs is inconvenient, and the number of trips to and from the seven or eight floors every day is too sweaty and gasping. However, some people never realize that climbing the stairs is a good exercise. It is determined that under the same conditions, climbing and Denglou consumption of calories comparable to more than twice the jogging than walking to be more than four