The use of pedometer and actometer in studying daily physical activity in man. Part II: Validity of pedometer and actometer measuring the daily physical activity

  • W. H. M. Saris
  • R. A. Binkhorst


The validity of the pedometer and actometer for estimating the daily physical activity was evaluated by means of an observation study. The physical activity in a classroom of 11 pupils of a kindergarten was assessed by means of a pedometer, actometer and by observation. Besides this an activity questionnaire was completed by the infant-quide. On basis of the individual observation it is clear that the infant-guide can give valuable information about the activity of the children at school.

The results of the pedometer attached to the waist and the actometers attached to the ankle were significantly correlated with the results of the observation method. The wrist actometer showed a smaller but still significant correlation with the other variables. Implications of this findings are discussed in regard toward the physical activity. The pedometer results point out that when the percentage of intense activity is high the pedometer tends to underestimate the level of activity.

The actometer results indicate that such a motion recorder gives a reliable estimation of activity in children. The findings are discussed in terms of the practical applications of the actometer in the research of daily physical activity and the physical rehabilitation treatment of certain diseases.

Key words

Pedometer Actometer Daily physical activity Observation Children 


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  1. Bink, B., Bonjer, F. H., van der Sluys, H.: Assessment of the energy expenditure by indirect time and motion study. In: Physical activity in health and disease (K. Evang, K. Lange Andersen, eds.), p. 207. Oslo: Scan. University Book 1966Google Scholar
  2. Kemper, H. C. G., Verschuur, R.: Relation between biological age habitual physical activity and morphological physiological characteristics of 12 and 13 year old boys. Acta paediat. belg. 28, Suppl. 191 (1974)Google Scholar
  3. Saris, W. H. M., Doesburg, W., Reintjes, A., Lemmens, W.: Resultaten van het onderzoek naar de lichamelijke aktiviteit met behulp van de enquête en de bewegingsteller, G. V. O. reports, 1ste-1975. Nijmegen 1975Google Scholar
  4. Saris, W. H. M., Binkhorst, R. A.: The use of pedometer and actometer in studying the daily physical activity in man. Part I. Europ. J. appl. Physiol. 36, (in Press) (1977)Google Scholar
  5. Tippet, L. H. C.: A snap reading method of making time studies of machine operatives in factory survey. J. Tex. Inst. 26, 51 (1935)Google Scholar
  6. Wolff, H. S.: Modern techniques for time and motion study in physiological research. Ergonomics 2, 354 (1959)Google Scholar

Copyright information

© Springer-Verlag 1977

Authors and Affiliations

  • W. H. M. Saris
    • 1
  • R. A. Binkhorst
    • 2
  1. 1.G.V.O.-Project, Faculty of MedicineUniversity of NijmegenNijmegenThe Netherlands
  2. 2.Department of Physiology, Faculty of MedicineUniversity of NijmegenNijmegenThe Netherlands

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