Effects of tDCS on Quadriceps Strength After Stroke "tDCS(HE)"

Recruiting

Phase N/A Results N/A

Trial Description

Previous studies show that one session of tDCS allow to improve muscle strength in hemiparetic patients in anodal condition. We test a new electrods configuration : a anodale stimulation opposite to the cortical representation area of the injured hemisphere and a simultaneous stimulation opposite to the homonyme the cortical representation area of the healthy hemisphere. This approach seems to be the best relevant electrods configuration in order to restore the inter-hemispheric balance.
We hypothesis that one session of tDCS with this electrods configuration allow to improve paretic quadriceps strength in hemiparetic patients after stroke.

Conditions

Interventions

  • Transcranial direct current stimulation Device
    Other Names: tDCS
    ARM 1: Kind: Experimental
    Label: hemiplegic patient
    ARM 2: Kind: Experimental
    Label: patient control
    Description: Sham transcranial direct current stimulation

Trial Design

  • Allocation: Randomized
  • Masking: Single Blind (Subject)
  • Purpose: Treatment
  • Endpoint: Efficacy Study
  • Intervention: Crossover Assignment

Outcomes

Type Measure Time Frame Safety Issue
Primary maximum voluntary isometric strength of knee extensors 2 hours No
Secondary Resistive peak torque during passive knee flexion 2h No
Secondary Angle related to the resistive peak torque generation of the knee extensors 2h No
Secondary Amplitude of the interpolation twitch 2h No
Secondary EMG activation of the knee flexors and extensors during the strength evaluations (active and passive) 2h No
Secondary Functional evaluation of the gait performance and balance 2h No

Sponsors