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Related Experiment Video

Updated: Jul 3, 2026

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

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Intervention study of exercise program for oral function in healthy elderly people.

Haruhisa Ibayashi¹, Yoshihisa Fujino, Truong-Minh Pham

¹Department of Preventive Medicine and Community Health, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan. acchan@med.uoeh-u.ac.jp

The Tohoku Journal of Experimental Medicine

|July 24, 2008

Summary

A six-month oral exercise program significantly improved oral functions like bite force and swallowing in healthy elderly individuals. Improvements were more pronounced in those with more remaining teeth.

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A Training Program Using an Agility Ladder for Community-Dwelling Older Adults

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Published on: March 7, 2020

Area of Science:

Gerontology
Oral Health
Preventive Medicine

Background:

Japan's long-term care insurance system prioritizes preventing oral function decline.
Despite numerous oral exercise programs in Japan, their efficacy remains unquantified.

Purpose of the Study:

To evaluate the impact of a structured exercise program on the oral functions of healthy elderly individuals.
To determine if the number of remaining teeth influences the effectiveness of oral function exercises.

Main Methods:

A six-month randomized controlled trial involving healthy elderly participants.
Intervention group performed exercises targeting facial muscles, tongue, salivary glands, and swallowing.
Oral functions (bite force, swallowing ability, salivary flow) were assessed pre- and post-intervention.

Main Results:

The intervention group showed significant improvements in bite force, swallowing ability, and salivary flow rates.
No significant improvements were observed in the control group.
Individuals with 20 or more teeth in the intervention group exhibited greater oral function improvements.

Conclusions:

A six-month oral exercise program can effectively enhance oral functions in the elderly.
The number of remaining teeth may be a key factor in the success of such interventions.