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Related Experiment Videos

A possible proximity effect on human grip strength: an attempted replication.

W G Braud1

  • 1Mind Science Foundation, Psychology Laboratory, San Antonio, TX 79209.

Perceptual and Motor Skills
|February 1, 1989
PubMed
Summary

Proximity to sugar did not significantly affect human grip strength in a replicated experiment. This study found no evidence that holding sugar, compared to sand, alters hand grip performance.

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Area of Science:

  • Psychology
  • Human Physiology

Background:

  • Previous research suggested a link between sugar proximity and reduced grip strength.
  • The influence of environmental cues on physical performance is an area of ongoing investigation.

Purpose of the Study:

  • To replicate a prior finding on the effect of sugar proximity on human grip strength.
  • To investigate whether holding a substance associated with energy (sugar) impacts physical output.

Main Methods:

  • A double-blind experiment involving 50 adult participants.
  • Grip strength measurement using a chart-recording hand dynamometer for the dominant hand across 12 trials.
  • Comparison of grip strength when holding a sealed bottle of sugar versus a control bottle of sand.

Main Results:

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  • Statistical analysis revealed no significant difference in grip strength based on the substance held.
  • The held substance (sugar or sand) did not demonstrably alter grip strength performance.

Conclusions:

  • The findings do not support the hypothesis that proximity to sugar reduces human grip strength.
  • Further research may be needed to explore the complex relationship between environmental factors and physical capabilities.