Arm Swing May Signal Parkinson's Nearly 7 Years Early

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ScienceAlert reports University of New South Wales researchers used UK Biobank wrist sensors worn for a week. Among 73,413 people with usable recordings, 314 later received a Parkinson's diagnosis. Their wrist movement differed nearly seven years before diagnosis, with less natural arm swing, lower top walking speeds and fewer steps—about 4,000 a day versus about 6,400 for people without a diagnosis. The results describe group differences and cannot tell an individual whether they will develop the disease. The study was published in the Journal of Neural Transmission. Disclosure: This video contains stock footage and content created or enhanced using AI-assisted tools.

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00:00Subtle changes in how you walk may signal Parkinson's disease years early.

00:04Researchers at the University of New South Wales in Sydney used data from the UK Biobank.

00:10More than 100,000 volunteers wore a wrist sensor for a week.

00:13The team analyzed usable recordings from 73 to 113 people and followed their medical records for up to a decade.

00:21During that time, 314 received a Parkinson's diagnosis.

00:25Wrist recordings showed differences in arm movement nearly 7 years before diagnosis.

00:31People diagnosed within 40 months took about 4,000 steps a day, compared with about 6,000 foreign for people

00:38without a diagnosis.

00:39They also spent less of their walking time swinging their arms naturally.

00:43The results describe group differences.

00:45They cannot tell an individual whether they will develop Parkinson's.

00:49The study appeared in the Journal of Neural Transmission.

00:52Disclosure. This video contains stock footage and content created or enhanced using AI-assisted tools.

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