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Articles linked to this work by shared authors, journal, and citation graph.

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Related Experiment Video

Updated: Jun 23, 2025

The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors
15:00

The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors

Published on: May 2, 2021

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Mitigating Trunk Compensatory Movements in Post-Stroke Survivors through Visual Feedback during Robotic-Assisted Arm

Seong-Hoon Lee1, Won-Kyung Song1

  • 1Department of Rehabilitative and Assistive Technology, National Rehabilitation Center, Seoul 01022, Republic of Korea.

Sensors (Basel, Switzerland)
|June 19, 2024
PubMed
Summary

Visual feedback effectively reduced trunk compensatory movements during robotic-assisted arm rehabilitation for stroke survivors. This approach shows promise for improving upper limb recovery by minimizing unwanted motion.

Keywords:
arm reachingrehabilitationrobotstroketrunk compensationvisual feedback

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Related Experiment Videos

Last Updated: Jun 23, 2025

The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors
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Author Spotlight: Enhancing Upper Limb Rehabilitation in Stroke Patients Through Advanced Robotic and Neuromodulation Technologies
05:28

Author Spotlight: Enhancing Upper Limb Rehabilitation in Stroke Patients Through Advanced Robotic and Neuromodulation Technologies

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Area of Science:

  • Neurorehabilitation
  • Human-Computer Interaction
  • Biomechanics

Background:

  • Trunk compensatory movements are common in stroke survivors during upper limb rehabilitation, potentially hindering functional recovery.
  • These aberrant movements can impede progress in robotic-assisted therapy, necessitating effective intervention strategies.

Purpose of the Study:

  • To evaluate the efficacy of visual feedback using an RGB-D camera in reducing trunk compensation during reaching tasks.
  • To investigate the impact of different visual feedback synchronization ratios on trunk movement and task performance.

Main Methods:

  • 17 able-bodied individuals and 18 stroke survivors performed reaching tasks under unrestricted and visual feedback conditions.
  • Visual feedback involved synchronizing the target's movement with the participant's trunk motion at 1:1, 1:2, and 1:3 ratios.
  • Trunk compensatory movements, task completion time, and perceived exertion were measured.

Main Results:

  • Trunk compensatory movements were significantly reduced when the visual target moved at the same speed (1:1) and double the speed (1:2) of trunk motion.
  • Stroke survivors experienced increased task completion time and perceived exertion under these feedback conditions.
  • The results suggest visual feedback increases task difficulty, discouraging unnecessary trunk motion.

Conclusions:

  • Customized visual feedback is effective in correcting aberrant upper limb movements in stroke survivors.
  • Integrating visual feedback into robotic-assisted rehabilitation can enhance recovery by minimizing compensatory motions.
  • This approach holds potential for advancing rehabilitation strategies and improving functional outcomes for post-stroke individuals.