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Related Experiment Videos

Applied kinesiology unreliable for assessing nutrient status.

J J Kenney1, R Clemens, K D Forsythe

  • 1Pritikin Longevity Center, Santa Monica, California.

Journal of the American Dietetic Association
|June 1, 1988
PubMed
Summary

Applied kinesiology, a method for assessing nutritional status via muscle response, showed no reliability or correlation with standard tests. This study suggests its effectiveness is comparable to random guessing for nutrient evaluation.

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Area of Science:

  • Integrative and Complementary Medicine
  • Nutritional Science
  • Biomedical Science

Background:

  • Applied kinesiology (AK) proposes muscle response to mechanical stress indicates nutritional status.
  • Previous claims of AK's efficacy in assessing nutrient deficiencies lack robust scientific validation.

Purpose of the Study:

  • To evaluate the reliability and validity of applied kinesiology for assessing nutritional status.
  • To compare AK findings with standard biochemical tests and objective muscle strength measurements.

Main Methods:

  • Three kinesiologists assessed 11 subjects for four nutrients (thiamin, zinc, vitamin A, ascorbic acid).
  • Evaluations were compared for inter-tester reliability, correlation with laboratory nutrient tests, and computerized muscle testing.

Related Experiment Videos

  • Subjects received double-blind nutrient/placebo supplements, with muscle response re-tested.

    • Main Results:

    • No significant inter-tester reliability was found among applied kinesiologists.
    • AK results did not correlate significantly with standard biochemical nutrient status tests.
    • Muscle response did not significantly differ between placebo, deficient, or adequate nutrient exposures.

    Conclusions:

    • Applied kinesiology demonstrated no significant reliability or validity in assessing nutritional status.
    • The study indicates AK's diagnostic utility for nutrient status is not superior to chance.
    • Further research is needed to validate or refute the principles of applied kinesiology in nutritional assessment.