The discipline of Applied Kinesiology has described a weakening of major muscle groups in certain experimental sujects upon refined sugar being placed n the mouth. Manual musle testing, particularly of the latissimus dorsi muscle, has been associated clinically with sugar metabolism. The weakening phenomenon was investigaed using an isometric, mechanically measured, test of the latissimus dorsi and a maunal test of the same muscle in 73 subjects. Test were conducted blind prior to and following sugar being placed in the mouths of the experimental group and nothing being given to the controls. The mechanical test showed no statistically significant change upon sugar administration while the manual test revealed a statistically significant difference (P =0.0062) between the control and exerimental groups. Alternative explanations for the "weakening" phenomenon observed in the experimental group with manual testing are discussed as are possible explanations for the apparent inability of the mechanical test to distinguish the control from the experimental group.
Author keywords: applied kinesiology, muscle strength, muscle testing
Author affiliations: From the National College of Chiropractic. CHR: student; RW: Assistant Professor of Anatomy
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