 The aerobic exercise will be performed on cycle-ergometers and the subjects will exercise between the levels 14 and 15 of Borgs scale of perceived exertion. The strength training will be performed on weight machines by a linear periodization, which will consist on a week of adaptation series of 10 to 12 submaximal repetitions, next three weeks with series of 12 to 14 maximal repetitions, weeks five to eight with series of 10 to 12 maximal repetitions, weeks nine to twelve with series of eight to 10 maximal repetitions. Al participants will do the maximum number of series of strength training that the time permits. 