Respected Sir, hi I evaluated your query. I appreciate your love and affection for your great father, great keep it up. Dear many neurological conditions in the world of advanced science still have limitations in terms of outcome and management. So far as cause of weakness legs and hands are concerned its due to damaged vascular intima and other insult to the peripheral parts of body. You have to accept what is going on with him decided by the almighty God . What all you can do is : * Maintain his hydration , BP , Blood sugar & cholesterol levels. * Give high protein & iron diet. * Some neurological ailments as Methylcobalamine, Pregabalin, Multivitamins and multiminerals as adjuvant to neuropathy decided as per condition by your Neurophysician. * Some YOGA for 30 min. daily on regular basis. * Physiotherapy and light exercises at home. * Quit tobacco and alcohol consumption if doing. * Try to keep him as happy as possible in his current situation. * Be ready and make him ready for any coming devastating situations, as till there is life there are challenges. Hope I tried to some extent to help you and your family in your crisis period. Thanks for using Health care Magic and reading my answer with patience. Regards. Wishing your father a happy healthy life ahead. Bye Dear Take care.