Training to Improve the Landing of an Uninjured Leg in Crutch Walk Using AR Technology to Present an Obstacle

Tsuda, Naoaki; Ehiro, Takuya; Nomura, Yoshihiko; Kato, Norihiko

doi:10.20965/jrm.2021.p1096

Cited by 5 publications

(1 citation statement)

References 24 publications

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“…Elderly or disabled people with lower limb motor dysfunction, who stay in bed or sit for a long time, will gradually develop a series of complications, such as pressure ulcers, muscle atrophy, organ dysfunction, edema, or osteoporosis, which will further worsen the health condition [6]. In order to improve the quality of life of such people, there is already effective auxiliary walking equipment, such as crutches and wheelchairs, but such devices are unintelligent and inconvenient to use [7] for the people who have lost their moving ability. On the other hand, appropriate medical treatment is also an essential procedure, and rehabilitation doctors need to formulate detailed treatment plans according to the patient's condition and complete regular procedures of body exercise training [8].…”

Section: Introductionmentioning

confidence: 99%

A Review on the Rehabilitation Exoskeletons for the Lower Limbs of the Elderly and the Disabled

Wang¹,

Zhang

Liu

et al. 2022

Electronics

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Research on the lower limb exoskeleton for rehabilitation have developed rapidly to meet the need of the aging population. The rehabilitation exoskeleton system is a wearable man–machine integrated mechanical device. In recent years, the vigorous development of exoskeletal technology has brought new ideas to the rehabilitation and medical treatment of patients with motion dysfunction, which is expected to help such people complete their daily physiological activities or even reshape their motion function. The rehabilitation exoskeletons conduct assistance based on detecting intention, control algorithm, and high-performance actuators. In this paper, we review rehabilitation exoskeletons from the aspects of the overall design, driving unit, intention perception, compliant control, and efficiency validation. We discussed the complexity and coupling of the man–machine integration system, and we hope to provide a guideline when designing a rehabilitation exoskeleton system for the lower limbs of elderly and disabled patients.

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Section: Introductionmentioning

confidence: 99%

A Review on the Rehabilitation Exoskeletons for the Lower Limbs of the Elderly and the Disabled

Wang¹,

Zhang

Liu

et al. 2022

Electronics

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Adapting Balance Training by Changing the Direction of the Tensile Load on the Lumbar Region

Miyazaki¹,

Aoki²,

Aizawa³

et al. 2022

JRM

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In this study, we investigated trainees’ adaptation by conducting static balance training in a tandem standing posture. The horizontal tensile force loads in the front, back, left, and right directions were applied using pneumatic artificial muscles. We analyzed the adaptation that occurred during training by changing the direction of the horizontal tensile load on the lumbar region according to the tendency of the trainee. We conducted the experiments using the following protocol. Ten trainees participated in the experiment. In Phase 1, we applied loads in four directions the same number of times in random order to investigate the weak direction in the balance of each trainee. In Phase 2, we measured five trainees in each group: Group 1 was trained in the same way as Phase 1, and Group 2 was intensively trained in two directions in which the balance found in Phase 1 was difficult to maintain. In Phase 3, we performed the same experiment as in Phase 1. We analyzed the adaptation of the trainees using the margin of stability (MoS), a balance evaluation index. We compared the experimental results of Phases 1 and 3. In Group 1, the tendency for improvement in balance was unclear. On the other hand, the balance index in Group 2 improved in four out of five trainees in both the front-back and left-right directions. These results suggest that the training method concentrating on the weak direction could provide a clear directionality to the training effect.

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A Remote Rehabilitation and Evaluation System Based on Azure Kinect

Wang¹,

You²,

Osawa³

et al. 2022

JRM

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In response to the shortage, uneven distribution, and high cost of rehabilitation resources in the context of the COVID-19 pandemic, we developed a low-cost, easy-to-use remote rehabilitation system that allows patients to perform rehabilitation training and receive real-time guidance from doctors at home. The proposed system uses Azure Kinect to capture motions with an error of just 3% compared to professional motion capture systems. In addition, the system provides an automatic evaluation function of rehabilitation training, including evaluation of motion angles and trajectories. After acquiring the user’s 3D motions, the system synchronizes the 3D motions to the virtual human body model in Unity with an average error of less than 1%, which gives the user a more intuitive and interactive experience. After a series of evaluation experiments, we verified the usability, convenience, and high accuracy of the system, finally concluding that the system can be used in practical rehabilitation applications.

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Training to Improve the Landing of an Uninjured Leg in Crutch Walk Using AR Technology to Present an Obstacle

Cited by 5 publications

References 24 publications

A Review on the Rehabilitation Exoskeletons for the Lower Limbs of the Elderly and the Disabled

A Review on the Rehabilitation Exoskeletons for the Lower Limbs of the Elderly and the Disabled

Adapting Balance Training by Changing the Direction of the Tensile Load on the Lumbar Region

A Remote Rehabilitation and Evaluation System Based on Azure Kinect

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