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Increasing handgrip strength via post-hypnotic suggestions with lasting effects.

Ulrike Nieft1, Marleen Schlütz2,3, Barbara Schmidt4

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Hypnosis significantly enhanced perceived strength and objectively increased handgrip strength. This intervention may benefit patients and athletes by improving physical condition and performance.

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Area of Science:

  • Psychology
  • Sports Science
  • Health Sciences

Background:

  • Handgrip strength is a key indicator of muscle strength and overall health.
  • Subjective strength perception is crucial for motivation and performance.
  • Hypnosis offers a potential avenue for enhancing physical capabilities.

Purpose of the Study:

  • To investigate the effects of a hypnosis intervention on perceived and objective handgrip strength.
  • To determine if a post-hypnotic suggestion can enhance feelings of strength.
  • To compare the effects of hypnosis with a control condition (reading an autobiography).

Main Methods:

  • Participants received a hypnosis intervention designed to induce feelings of strength, linked to a post-hypnotic power anchor.
  • Handgrip strength was measured using a hand dynamometer.
  • Subjective strength ratings were collected using a visual analogue scale.
  • A randomized control group was assigned to read Arnold Schwarzenegger's autobiography.

Main Results:

  • Hypnosis group participants reported significantly greater perceived strength upon activating the power anchor compared to baseline.
  • Objective handgrip strength increased significantly in the hypnosis group one week post-intervention.
  • The control group did not show significant changes in perceived or objective strength.

Conclusions:

  • The hypnosis intervention effectively enhanced both subjective strength perception and objective handgrip strength.
  • This technique shows promise for improving patient recovery and athletic performance.
  • Hypnosis can be a valuable tool for augmenting physical capabilities and well-being.