The modern football little or nothing to do with a few years ago. Leaving aside the media impact that, we will focus on the great change that has experienced from the point of view training a professional club. Seeing a few pictures and we realize that things have changed a lot.
As you can be seen in all these pictures and many others of the time, in those days almost military techniques were used. chairs, wheels, ower… anything was valid to perform a given year, nothing to do with the techniques prevailing today with all sorts of technological advances with the use of heart rate monitors, pedometers and so on.