Patients with circulatory disorders in the legs can be helped by an energy-saving robot belt

(ORDO NEWS) — New research describes the potential for stress reduction for people who are more than just good at walking. Power saving mode does not always mean laziness.

The average human walking speed is 90-120 steps per minute, which is approximately 4-5.5 km/h.

Building on past research, scientists at the University of Nebraska at Omaha have published a new paper in Science Robotics that hypothesizes a new way to save energy.

It is based on the bioinspired strategy method of using the waist belt and the principle of the work of human muscles during normal walking.

“Bioinspired activity is not ideal. So our discovery builds on the past and focuses on biomechanical testing rather than trying to predict optimal strategies,” says Prokopios Antonellis, lead author of the new study.

Patients with circulatory disorders in the legs can be helped by an energy saving robot belt 2

So, scientists, after conducting biomechanical testing of patients, used a special robotic waist belt to develop personalized care.

The study shows that the strategically calculated tension of the waist belt connected to the pulley can help a person expend less energy on each step while walking. However, the optimum time for this thrust forward came as a surprise.

“When we move, there is a short period between steps when one foot stops its movement and the other prepares to accelerate to take the next step forward.

Our research shows that this short window, with both feet on the ground, is the best time to apply force to help you walk most effectively,” says Philip Malcolm, Associate Professor of Biomechanics.

The device works by providing synchronized pulls from a motorized pulley while the person walks on the treadmill.

Since it only requires the wearing of a waist belt, customization becomes relatively easier compared to more complex devices.


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