Applied Motion Study
A Collection Method to industrial Preparedness

MOTION STUDY AND TIME STUDY 59 clearly defined their conception of time study as “ the process of analysing an operation into its elementary operations, and observing the time re- quired to perform them.” Time study has to do, then, fundamentally, with the measurement of units of time. Now motion study has to do with the selection, invention, and substitution of the motions and their variables that are to be measured. Both accurate time study and motion study require in- struments of precision that will record mechan- ically, with the least possible interference from the human element, in permanent form, exactly what motions and results occur. For permanent use the records must be so definite, distinct, and simple that they may be easily and immediately used, and lose none of their value or helpfulness when old, forgotten, or not personally expe- rienced by their user. There have undoubtedly been some vague mo- tion studies and guess-work times studies made as far back as historical records are available, par- ticularly in the arts of warfare. The importance of rhythm, for example, which is one of the fun- damentals in motion study, was recognised in the