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.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
14
Raymond Poincare Hospital
Garches, France
maximum voluntary isometric strength of knee extensors
The maximum voluntary isometric strength of paretic knee extensors will be evaluated with a isokinetic dynamometer, which measure peak torque.
Time frame: 2 hours
Resistive peak torque during passive knee flexion
Time frame: 2h
Angle related to the resistive peak torque generation of the knee extensors
Time frame: 2h
Amplitude of the interpolation twitch
Time frame: 2h
EMG activation of the knee flexors and extensors during the strength evaluations (active and passive)
Time frame: 2h
Functional evaluation of the gait performance and balance
Time frame: 2h
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