CHAPTER VII

FATIGUE MEASUREMENT: HOW TO ATTACK THE PROBLEM SCIENTIFICALLY

HISTORY OF FATIGUE MEASUREMENT 114

FATIGUE, A TEST OF EFFICIENT ACTIVITY 116

THE ACTIVITY 117

MOTION STUDY, MICROMOTION STUDY, THE CYCLEGRAPH, AND THE CHRONOCYCLEGRAPH METHOD AS MEASURES OF ACTIVITY 118

TESTING THE WORK BY MOTIONS REQUIRED 123

TESTING WORKERS BY MOTION CAPABILITIES 124

THE USE OF ACTIVITY RECORDS AS DATA FOR ELIMINATING FATIGUE 124

THE TIME ELEMENT 125

THE STANDARDIZATION OF WORK AND REST 127