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Related Experiment Video

Updated: May 24, 2026

Compensatory Limb Use and Behavioral Assessment of Motor Skill Learning Following Sensorimotor Cortex Injury in a Mouse Model of Ischemic Stroke
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Compensatory Limb Use and Behavioral Assessment of Motor Skill Learning Following Sensorimotor Cortex Injury in a Mouse Model of Ischemic Stroke

Published on: July 10, 2014

Retraining postural responses with exercises emphasizing speed poststroke.

Vicki L Gray1, Larissa M Juren, Tanya D Ivanova

  • 1V.L. Gray, PT, PhD, Graduate Program in Health and Rehabilitation Science, University of Western Ontario, London, Ontario, Canada.

Physical Therapy
|March 17, 2012
PubMed
Summary
This summary is machine-generated.

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Fast movement exercises improved postural responses in stroke survivors, enhancing muscle activity and weight-bearing symmetry. These benefits were observed immediately after exercise and retained for a short period.

Area of Science:

  • Neurorehabilitation
  • Biomechanics
  • Motor Control

Background:

  • Postural responses are often impaired following a stroke, characterized by reduced or delayed muscle activation in the affected leg.
  • Individuals with hemiparesis post-stroke exhibit significant deficits in motor control and balance.

Purpose of the Study:

  • To investigate the effectiveness of speed-focused exercises in improving postural responses to unpracticed perturbations after stroke.
  • To assess the immediate and short-term retention effects of these exercises on motor control and balance.

Main Methods:

  • A dual-cohort study involving 32 individuals with hemiparesis post-stroke and 32 healthy controls.
  • Participants performed exercises emphasizing speed of movement, with postural responses assessed via arm raise and load drop tasks before, immediately after, and 15 minutes post-exercise.

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Last Updated: May 24, 2026

Compensatory Limb Use and Behavioral Assessment of Motor Skill Learning Following Sensorimotor Cortex Injury in a Mouse Model of Ischemic Stroke
08:01

Compensatory Limb Use and Behavioral Assessment of Motor Skill Learning Following Sensorimotor Cortex Injury in a Mouse Model of Ischemic Stroke

Published on: July 10, 2014

A Rehabilitation Program of Exoskeleton-assisted Body Weight-Supported Treadmill Training with Non-immersive Virtual Reality for Stroke Patients
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A Rehabilitation Program of Exoskeleton-assisted Body Weight-Supported Treadmill Training with Non-immersive Virtual Reality for Stroke Patients

Published on: May 16, 2025

  • Electromyography (EMG) of the biceps femoris (BF) muscle and ground reaction forces were measured to analyze muscle activity and weight-bearing symmetry.

    • Main Results:

    • Post-stroke participants showed improvements in paretic BF muscle activation (reduced time to peak, increased EMG area) and center of pressure (COP) velocity after exercises.
    • The stroke group demonstrated more symmetrical weight-bearing post-exercise.
    • These improvements in postural responses were largely retained for 15 minutes after the exercise session.

    Conclusions:

    • Fast movement exercises can effectively enhance postural responses to unpracticed perturbations in individuals post-stroke.
    • While improvements were noted, the short retention period and lack of a stroke control group are limitations.
    • The findings suggest a potential therapeutic benefit of incorporating speed-focused exercises in stroke rehabilitation programs.