Do you think your competent? doctor can get useful research initiated with stroke survivors?
Cable-Driven Exosuit to Assist Affected Upper-Limb Users with Hemiparesis
Abstract:
Neurological
impairments such as stroke cause muscular weakness in several joints in
the human body. As a result, the development of activities of daily
living (ADL) is affected. Particularly, upper limb movements executed
with external loads are restricted for post-stroke patients who present
extreme sensitivity to mechanical loading. In rehabilitation, upper limb
gravity support and assistive torques improve post-stroke users' skills
and support the elbow joint's flexors muscle during the therapy. In
this sense, this work presents the design and a preliminary assessment
for a portable upper limb exosuit to assist flexor muscles in the elbow
joint. The robotic device comprises a wearable structure employing a
cable-driven system that does not generate limitations in the elbow
joint. An impedance controller was implemented based on the right elbow
joint movements to generate estimated torques applied in the left elbow
joint. The experimental findings with three healthy participants
showcase the short-term effects of a notable reduction in muscle
activity, ranging from 60% to 72%, when the exosuit was tested in
lifting a 2.5 Kg load.
Published in: 2024 10th IEEE RAS/EMBS International Conference for Biomedical Robotics and Biomechatronics (BioRob)
Date of Conference: 01-04 September 2024
Date Added to IEEE Xplore: 23 October 2024
ISBN Information:
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