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The experimental wearable could help you understand your workout form without relying solely on a trainer's eye.

Indian Institute of Technology Gandhinagar

Not everyone can afford to hire a personal trainer. And let’s be honest, learning exercises from YouTube or the gym regulars isn’t exactly foolproof. We need a solution that is both affordable and accurate.

A research group at the Indian Institute of Technology Gandhinagar (IITGN), led by Dr Biswajit Saha, has a solution. He created a bendy wearable sensor that works in the gym and for sports like tennis and swimming.

How does the patch read your movements?

The patch sits on key parts of your body and flexes as you move, changing its electrical resistance and turning your movement into a signal.…