The Perception of Exertion in Physical Work: Proceedings of an International Symposium held at The Wenner-Gren Center, Stockholm, October 3rd – 5th, 1985

The development of 'ratio scaling' methods by S. S. Stevens and collaborators at Harvard to determine perceptual intensity variations and the accessibility of reliable apparatus made it possible in the 1950s to start psychophysical investigations of heavy physical work. The first studies showed that the perception of exertion for exercise on a bicycle ergometer could be described by a positively accelerating power function. Several psychophysical scaling studies then followed concerning different kind of exercises, all showing similar growth patterns. Since the first studies there has been a rapid development of the field, especially within certain areas of application, such as in clinical diagnosis and rehabilitation, in industrial work studies and ergonomics, and in sports and epidemiological intensity evaluations. The first major symposium in this field was held in 1975 here at the Wenner-Gren Center in Stockholm. Now ten years later the developments made it essential to arrange a new symposium on the same topic, covering theoretical and methodological problems of the perception of exertion, psychophysiological interrelations and applications especially within medicine and ergonomics. The organizing committee consisted of Professors Gunnar Borg ( Front Matter....Pages i-xiii Front Matter....Pages 1-1 Psychophysical Studies of Effort and Exertion: Some Historical, Theoretical and Empirical Aspects....Pages 3-12 Front Matter....Pages 13-13 Measuring Individual Differences by Cross-Modality Comparison....Pages 15-26 How Borg’s Rpe-Scale Has Been Applied to Japanese....Pages 27-34 A Comparison of a Psychophysical Estimation and a Production Method in a Laboratory and a Field Condition....Pages 35-46 The Growth of Perceived Exertion During a Prolonged Bicycle Ergometer Test at a Constant Work Load....Pages 47-55 Perceived Exertion, Heart Rate and Blood Lactate During Prolonged Exercise on a Bicycle Ergometer....Pages 57-68 Front Matter....Pages 69-69 Breathlessness — The Sense of Respiratory Muscle Effort....Pages 71-82 The Integration of Physiological Cues in Effort Perception: Stimulus Strength vs. Relative Contribution....Pages 83-96 Local and Central Factor Contributions in the Perception of Effort During Physical Exercise....Pages 97-109 Ventilatory Precursors for Central Signals of Perceived Exertion....Pages 111-121 Perceived Exertion During Exercise at Different Body Temperatures....Pages 123-134 Front Matter....Pages 135-135 Rating of Perceived Exertion in Adolescents with Neuromuscular Disease....Pages 137-148 Perceived Exertion: Subjectivity and Objectivity in Work Intensity Assessment....Pages 149-159 The Use of the Perception Scale for Exercise Prescription....Pages 161-176 Perceived Exertion During Exercise in the Discrimination Between Circulatory and Pulmonary Disorders....Pages 177-190 The Effect of Nonselective and Selective Betablockade on Perceived Exertion During Treadmill Exercise in Mild Hypertensive Type A and B Males and the Interaction with Aerobic Training....Pages 191-198 Rating Perceived Symptoms During Exercise in Heart Disease....Pages 199-206 Evaluation of Muscular Fatigue and Pain of Patients by a Digital Processing Machine of Muscular Strength Myograms....Pages 207-221 Front Matter....Pages 223-223 The Perception of Physical Effort in Job Tasks....Pages 225-242 Manual Materials Handling Capacity and Injury Control....Pages 243-253 Front Matter....Pages 223-223 Acceptability Rating in Manual Materials Handling: An Experimental Evaluation of Psychophysical Criteria....Pages 255-264 The Ability of People to Make Self-Assessments of the State of Their Own Subsystems: Implications and the Process....Pages 265-274 Perceived Exertion, Motivation, and Health — an Industrial Experience....Pages 275-290 Front Matter....Pages 291-291 Some Studies of Perceived Exertion in Sports....Pages 293-302 Perceived Exertion, Heart Rate and Blood Lactate in Downhill Skiing as Compared to Cross-Country Skiing — a Pilot Study....Pages 303-315 Perceived Exertion as a Part of a Feedback System and its Interaction with Tactical Behaviour in Endurance Sports....Pages 317-326 Rate of Perceived Exertion and its Relationship with Cardiorespiratory Response to Submaximal and Maximal Muscular Exercise....Pages 327-335 Back Matter....Pages 337-346