Between routines, responsibilities and obligations is few the time that we have to do exercises. In that time that we have for train us, obtain the max performance from the activity it is the principal target, but sometimes that can generate a negative effect, when the overtraining or brake the limits of demands contribute negatively.

The London University College assure that is necessary sixty six days to generate or change a habit and then obtain a planned goal. But, what is the best? Train the strength or endurance? Choose between both also finish in a wrong decision.

The inform of British entity assure that the persons who train continuously they do -in average- two times a week and no more than forty minutes each. The problem for center one day in muscle mass and another day doing aerobic exercises is that the boost that the body is submitted is insignificant, although when we finished exhausted.

Source: http://www.infobae.com/salud/fitness/2017/01/25/segun-la-ciencia-esta-es-la-forma-correcta-de-entrenarse/