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NAU scientists offer free robotic exoskeleton designs online

Zach Lerner demonstrates the ankle exoskeleton in the Human Performance Lab at Northern Arizona University on Feb. 11, 2025.
Melissa Sevigny
/
KNAU
Zach Lerner demonstrates the ankle exoskeleton in the Human Performance Lab.

A research lab at Northern Arizona University has published an open-source guide for building an exoskeleton that helps people with various medical conditions move their joints more freely.

It’s the first comprehensive guide of its kind made available online for free. It gives examples of elbow, hip, and ankle exoskeletons, but the designs, codes, and instructions can be extrapolated to essentially any joint in the human body.

Zach Lerner heads NAU’s Biomechantronics Lab.

"I’m hopeful that we’ll see more people adopting wearable robots to improve their lives, and maybe a lowering of the stigma from society around people of differing abilities," he says.

Lerner says creating exoskeletons requires specialized knowledge and extensive testing. He hopes the open-source data will lower those barriers and allow scientists to work more collaboratively.

The research was supported by private gifts through NAU Foundation and federal grants from the National Institutes of Health and the National Science Foundation.

"Wearable robots” might sound like science fiction, but a research lab at Northern Arizona University is perfecting an ankle exoskeleton to help people who have trouble walking.

Melissa joined KNAU's team in 2015 to report on science, health, and the environment. Her work has appeared nationally on NPR and been featured on Science Friday. She grew up in Tucson, Arizona, where she fell in love with the ecology and geology of the Sonoran desert.
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