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[Relation between teeth clenching and grip force production characteristics].

Hiroshi Churei1

  • 1Department of Maxillofacial Reconstruction and Function, Division of Maxillofacial/Neck Reconstruction, Graduate School, Tokyo Medical and Dental University, Japan.

Kokubyo Gakkai Zasshi. the Journal of the Stomatological Society, Japan
|July 26, 2003
PubMed
Summary

Teeth clenching significantly enhances maximal grip strength and its rapid development. Oral motor functions, like clenching, influence both grip force generation and speed.

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Area of Science:

  • Biomechanics
  • Motor Control
  • Human Physiology

Context:

  • Grip strength is crucial for daily activities and athletic performance.
  • The influence of oral motor function on upper limb strength is not well understood.
  • Investigating the link between oral motor actions and grip force characteristics provides novel insights.

Purpose:

  • To examine the effect of different oral motor conditions on maximal and explosive grip force.
  • To quantify changes in maximal force, average force, rate of force development, and time to reach peak force.
  • To determine if teeth clenching or mandibular position impacts grip strength parameters.

Summary:

  • Four conditions were tested: teeth clenching during (C-C), teeth clenching before and resting jaw during (C-R), resting jaw before and clenching during (R-C), and resting jaw throughout (R-R).

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  • Maximal force and average force were significantly higher in C-C and R-C conditions compared to R-R.
  • Maximal rate of force development increased, and time to reach peak force decreased with teeth clenching, indicating faster force production.

    • Impact:

    • Findings suggest that oral motor strategies, specifically teeth clenching, can be utilized to enhance grip strength.
    • This research opens avenues for exploring neuromuscular synergies between oral and limb movements.
    • Potential applications in rehabilitation, sports training, and ergonomic design.