the current study is a randomized controlled trial comparing the effectiveness of motor imagery techanique with and without virtual reality on pain intensity , functional disability and quality of life for individual with post stroke shoulder hand syndrome . this trial aims to evaluate pain , functional disability and overall quality of life . the primary outcome is pain reduction . while seconday outcome reduce disability and improve quality of life .the hypothesis is that the combination of motor imagery and virtual reality will result in significant greater clinical improvement compared to motor imagery alone .