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A Resistive Soft Robotic Exosuit for Dynamic Body Loading in Hypogravity
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A Resistive Soft Robotic Exosuit for Dynamic Body Loading in Hypogravity
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Journal Article
A Resistive Soft Robotic Exosuit for Dynamic Body Loading in Hypogravity
2025
Overview
Prolonged exposure to reduced gravity in space leads to bone demineralization and muscle atrophy, which current countermeasures of simple body loading can partially address. To address this aetiology, a resistive hypogravity exosuit (R‐HEXsuit) is proposed for dynamic body loading in low gravity. R‐HEXsuit is a lightweight (1.4 kg) soft wearable exosuit that uses pneumatic artificial muscles to provide programmed bilateral resistance during walking, stimulating primary leg muscles. Tests on healthy subjects in Earth gravity and simulated Moon gravity reveal that the suit increases metabolic cost by 29.3% in Moon gravity, aligning it with Earth‐like metabolic cost. Muscle activation in key knee joint muscles also increases, matching or exceeding Earth levels, without altering natural gait patterns. These results highlight the R‐HEXsuit as a promising tool for replicating Earth‐like physical demands during low‐gravity missions, offering a potential solution for mitigating musculoskeletal degradation in space. The resistive hypogravity exosuit is a lightweight wearable robotic exosuit that uses pneumatic artificial muscles to restore Earth‐like metabolic and muscular demands during locomotion in low gravity. Tested on healthy subjects in Earth and simulated Moon gravity, the suit restores energy expenditure and muscle activation without altering gait, offering a potential additional countermeasure against musculoskeletal decline in space.
Publisher
John Wiley & Sons, Inc,Wiley
Subject
