Soft robotic shorts improve outdoor walking efficiency in older adults

被引:10
作者
Tricomi, Enrica [1 ]
Missiroli, Francesco [1 ]
Xiloyannis, Michele [2 ]
Lotti, Nicola [1 ]
Zhang, Xiaohui [1 ]
Stefanakis, Marios [3 ,4 ]
Theisen, Maximilian [5 ]
Bauer, Juergen [3 ,4 ]
Becker, Clemens [3 ,4 ]
Masia, Lorenzo [1 ,6 ]
机构
[1] Heidelberg Univ, Inst Tech Informat ZITI, Heidelberg, Germany
[2] Akina AG, Zurich, Switzerland
[3] Heidelberg Univ Hosp, Ctr Geriatr Med, Digital Unit, Heidelberg, Germany
[4] Heidelberg Univ, Network Aging Res, Heidelberg, Germany
[5] Heidelberg Univ, Psychol Inst, Heidelberg, Germany
[6] Tech Univ Munich TUM, Dept Comp Engn Sch Computat Informat & Technol, Munich, Germany
关键词
EXOSKELETON ASSISTANCE; MUSCLE STRENGTH; MECHANICAL WORK; METABOLIC COST; LEVEL; ENERGETICS; MASS;
D O I
10.1038/s42256-024-00894-8
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Peoples' walking efficiency declines as they grow older, posing constraints on mobility, and affecting independence and quality of life. Although wearable assistive technologies are recognized as a potential solution for age-related movement challenges, few have proven effective for older adults, predominantly within controlled laboratory experiments. Here we present WalkON, a pair of soft robotic shorts designed to enhance walking efficiency for older individuals by assisting hip flexion. The system features a compact and lightweight tendon-driven design, using a controller based on natural leg movements to autonomously assist leg propagation. To assess WalkON's impact on daily walking, we initially conducted a technology assessment with young adults on a demanding outdoor uphill 500 m hiking trail. We then validated our findings with a group of older adults walking on a flat outdoor 400 m track. WalkON considerably reduced the metabolic cost of transport by 17.79% for young adults during uphill walking. At the same time, participants reported high perceived control over their voluntary movements (a self-reported mean score of 6.20 out of 7 on a Likert scale). Similarly, older adults reduced their metabolic cost by 10.48% when using WalkON during level ground walking, while retaining a strong sense of movement control (mean score of 6.09 out of 7). These findings emphasize the potential of wearable assistive devices to improve efficiency in outdoor walking, suggesting promising implications for promoting physical well-being and advancing mobility, particularly during the later stages of life. Walking efficiency declines in older adults. To address this challenge, Tricomi and colleagues present a pair of lightweight, soft robotic shorts that enhance walking efficiency for older adults by assisting leg mobility. This method improves energy efficiency on outdoor tracks while maintaining the users' natural movement control.
引用
收藏
页码:1145 / 1155
页数:19
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