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Updated: Feb 10, 2026
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Muscle Function Obtained with Motion Mode Ultrasound and Surface Electromyography during Core Endurance Exercise
Published on: August 25, 2022
3.8K
[A case study of tailor-made exercise for preventing decrease in physical function: Analyzing the effect of
Naomichi Tani1, Yoshiyuki Higuchi2, Masanori Ohta3
1The Association for Preventive Medicine of Japan.
Summary
Tailor-made exercise programs significantly improved leg strength and reduced fatigue and stumbling in food industry employees. This intervention enhanced physical function and subjective well-being for workers.
Area of Science:
- Occupational Health
- Exercise Physiology
- Ergonomics
Background:
- Workplace physical demands in the food manufacturing industry can lead to employee fatigue and injury.
- Assessing physical function and subjective symptoms is crucial for targeted interventions.
Purpose of the Study:
- To evaluate the impact of customized exercise interventions on the physical function and perceived symptoms of food manufacturing employees.
- To develop and implement exercise programs based on specific job-related physical burdens.
Main Methods:
- Work analysis was conducted to identify physical stressors.
- Participants underwent motor function tests (30-s chair-stand, two-step test) and subjective symptom surveys.
- Intervention involved a 3-month tailor-made exercise program.
Main Results:
- Significant improvements were observed in the 30-s chair-stand test for both men and women (p < 0.01).
- Subjective symptom improvements included reduced "stumbling and staggering" (p < 0.05) and "feeling of fatigue" in the back and lower extremities (p < 0.05).
- No significant change was noted in the two-step test results.
Conclusions:
- Customized exercise programs can enhance leg muscle strength and improve balance, reducing risks like stumbling.
- Interventions effectively alleviated subjective feelings of fatigue in the back and lower limbs.
- Tailor-made exercise demonstrates a significant positive effect on employee physical function and well-being.
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