If unequal movements have to be made simultaneously, the
effort will become smaller if they are psychically bound together by a
common unified impulse. The distance which has to be overcome by
hands, arms, or feet must be brought to a minimum for each partial
movement. Most important, however, is this rule. If a definite
combination of movements has been determined as economically most
suitable, this method must be applied without any exception from the
beginning of the learning. The point is to train from the start those
impulse combinations which can slowly lead to the quickest and best
work. The usual method is the opposite. Generally the beginner learns
to produce from the beginning work which is as good and correct as
possible. In order to produce such qualitatively good results at an
early stage, it is left to him to choose any groups of movements which
happen to be convenient to him. Then these become habitual, and as
soon as he tries to go on to quicker work, these chance habits hinder
him in his progress. The movements which may be best suited for fair
production by a beginner may be entirely unsuited for really quick
work, such as would be expected from an experienced man. The laborer
must replace the first habits which he has learned by a new set,
instead of starting in the first place with motions which can be
continued until the highest point of efficiency has been reached,
even if this involves rather a poor showing at the beginning.
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