[Anakin System Use Case] What Can Be Understood by Walking (Dementia)

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last updated：Jun 21, 2021

HALデザイン研究所

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We will introduce how measuring walking speed casually in everyday clothes can help prevent dementia.

**Why Measure Walking Speed** The relationship between walking speed and dementia has been studied at the Tokyo Metropolitan Institute of Gerontology. It was also featured in an NHK special titled "Dementia Revolution." In summary, it has been found that if walking speed falls below 0.8 m/sec, there is a higher likelihood of developing dementia. This means that by monitoring walking speed over time, there is a possibility of preventing dementia. **Measurement Method** To prevent dementia, it is necessary to regularly measure walking speed and assess its changes over time. Traditionally, marking spots on the floor and timing how long it takes to walk between them is cumbersome and labor-intensive. In contrast, the Anakin System allows individuals to walk about 4 meters towards a camera without any attachments or special clothing, instantly providing data on walking speed, stride length, and gait. The Anakin System can be set up in about 30 minutes at venues, allowing for the collection of a large amount of data in a single day. **Effect of Measurement** By monitoring walking speed over time and detecting Mild Cognitive Impairment (MCI), it has been shown that it is possible to prevent the progression towards dementia.

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**Anakin System and Specific Measurement Methods** Please refer to the attached image for details on what the Anakin system is, how measurements are taken, and what results can be obtained. **What Can Be Measured with the Anakin System** The Anakin system can measure walking speed, stride length, and cadence. However, it can also provide various other insights. For example, it allows observation of a person's walking from the front, back, sides, and even directly above. Additionally, it can reveal changes in posture and joint angles (such as those of the elbows and knees) while walking. From this data, it is also possible to determine the causes of reduced walking speed. For more details, please refer to the attached image. **Walking Speed and Dementia** Data is provided in the attached materials. **Key to Dementia Prevention (Dementia Revolution: NHK Special)** It is said that people do not suddenly develop dementia from a normal state but rather progress through MCI (Mild Cognitive Impairment) to dementia. If MCI is detected at this stage, it can lead to a "path to prevention." One indicator of this is walking speed. Specifically, it is said that if walking speed drops below 0.8 m/sec, the risk of developing dementia increases. For more details, please refer to the attached materials.