MIT tests implanted magnets for more precise muscle control
BROBROK News · Based on reporting by DiarioBitcoin ·
MIT researchers tested a system that uses tiny implanted magnetic beads to track muscle dynamics in three people with below-knee amputations. In a virtual task, the approach measured muscle movement more accurately and consistently than implanted and surface electrodes, but it has not yet been tested with real robotic prostheses.
Key points
- The study compared magnetomicrometry with implanted and surface electrodes.
- The magnetic beads are 3 mm wide and help estimate muscle length and speed.
- Participants controlled a cursor in a virtual task, not a physical prosthesis.
- The test involved three people with below-knee amputations.
- A broader evaluation with robotic prostheses is still needed.
Why it matters
If confirmed in larger studies, the technique could improve prosthetic control by providing a more direct measure of muscle mechanics. For now, the findings are early and limited to an experimental setting.
Original headline: “Imanes implantados podrían dar a las prótesis un control muscular más preciso”
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