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Measuring gait pattern in elderly individuals by using a plantar pressure measurement device
Kanako Nakajima1, Emi Anzai1, Yumi Iwakami2
1Department of Human Life and Environmental Sciences, Graduate School of Humanities and Science, Ochanomizu University, Tokyo, Japan.
Summary
Elderly fallers exhibit distinct gait patterns, including reduced peak pressure and extended double support phases. A new wireless plantar pressure device objectively measures these gait features for fall prevention strategies.
Area of Science:
- Biomechanics
- Gerontology
- Medical Device Development
Background:
- Hip fractures are a significant health concern in the elderly population.
- Effective fall prevention strategies are crucial for this demographic.
- Understanding gait abnormalities is key to mitigating fall risks.
Purpose of the Study:
- To develop a wireless plantar pressure measurement device for evaluating ambulatory function.
- To identify critical gait parameters for fall prevention in the elderly.
- To objectively assess gait function in different elderly groups.
Main Methods:
- A novel wireless plantar pressure measurement device was developed.
- Field experiments were conducted with 98 participants (healthy, elderly non-fallers, elderly fallers).
- Gait features were analyzed using pressure values and foot contact patterns.
Main Results:
- Elderly fallers showed decreased peak pressure at heel strike and toe off compared to non-fallers.
- Elderly fallers exhibited an extended double support phase versus healthy subjects.
- Distinct gait pattern differences were observed across all participant groups.
Conclusions:
- The developed device effectively captures gait features in diverse elderly individuals.
- The device provides objective and quantitative gait function evaluation.
- This technology holds potential for assessing elderly gait function and informing fall prevention efforts.
