Evaluation of the Benefit of the Training of the Manual Dexterity Post Stroke.

12 sessions of 1 hour of rehabilitation (3 sessions / 4 weeks) for the DexTrain group will consist of 20 minutes of conventional training followed by 40 minutes of exercises using the DexTrain targeting the dexterity components.

12 sessions of 1 hour of rehabilitation (3 sessions / 4 weeks) Conventional will be constituted of conventional training consisting of stretching of the spastic muscles as well as exercises used classically in the protocols of rehabilitation post-stroke

Only one assessment will be provided for the control group which will include, Box \& Blocks Test (BBT), FFM Dexterity Assessment, Moberg Pick-Up Test (MPUT), Maximal Finger Tapping Rate, Proprioception, SMT, fMRI, Spontaneous hand activity (accelerometry / portable electromyography)