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Sit-to-stand transfer detection

A technique for measurement results and users, applied in the direction of measurement devices, measurement acceleration, diagnostic recording/measurement, etc., can solve problems such as difficult to accurately detect

Inactive Publication Date: 2014-03-05
KONINKLIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to accurately detect the sit-to-stand transition, which typically occurs within 2 or 3 seconds

Method used

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Examples

Experimental program
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Embodiment Construction

[0045] like figure 1 As shown, the invention provides a sensor unit 2 worn by a user 4 . In the illustrated embodiment, the sensor unit 2 is provided in the form of a pendant with a neck cord 6 for placement around the user's neck. Alternatively, the sensor unit 2 could be configured to be worn on a different part of the user's body, for example the torso, pelvis or chest, and would include suitable arrangements for attaching the sensor unit 2 to that part of the body (for example, if the unit 2 Attached to the pelvis or chest, then it can be a belt or girdle).

[0046] The movement of the user 4 is measured using the sensor unit 2 and the measurements are processed to determine when the user has performed a transition from sitting to standing. In a preferred embodiment, the sensor unit 2 is also used to determine the power or force used during the transition from sitting to standing from measurements of the user's 4 body movements. Alternatively, this process can be perfor...

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PUM

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Abstract

There is provided a method for identifying a sit-to-stand transfer in measurements of the movement of a user, the method comprising obtaining measurements of the vertical acceleration experienced by the user during movement; obtaining measurements indicating changes in height of a part of the user during movement; processing the measurements of the vertical acceleration to identify candidate movements corresponding to a sit-to-stand transfer by the user; and determining an identified candidate movement as a sit-to-stand transfer where the identified candidate movement coincides with an increase in height. A corresponding apparatus and computer program product are also provided.

Description

technical field [0001] The present invention relates to a method and a device for recognizing a sit-to-stand transition motion of a user. Background technique [0002] Falls are one of the greatest health risk factors faced by older adults. About one-third of people over the age of 65 fall at least once a year. [0003] Many of these falls can be avoided through early identification of fall risks and application of effective targeted fall prevention programs. [0004] Trials of fall prevention based on strength and balance training (SBT) have been shown to reduce the risk of falls in older adults. Balance performance measures can be used as early indicators of fall risk and used to measure the progress of fall prevention programs. The "sit-to-stand" (STS) transition has been recognized as an important movement that can be used as a measure of balance performance. Domain experts are able to compare the power maps generated for fall prevention during sit-to-stand transitio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/11
CPCA61B5/7282G01P15/00A61B2562/0219A61B5/6822A61B5/1116
Inventor W·张H·巴尔杜斯S·施伦博姆
Owner KONINKLIJKE PHILIPS NV
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