experiment

There’s a friend injured in a serious car accident, he become paralyze, from waist down is total damage, also including his fingers of both hands. For now the only thing that we can do is pray for his recovery. It’s a long and tough journey. The body, soul and spirit has to work real hard altogether for this arduous course. 

The nerves being harm, but there's still chance to recover, maybe not 100% back to the original condition. Keep hoping and trying our best. 

Message, stimulations send between brain and whichever the body parts or organs need to function correctly and accordingly through the nerves. When damages happen, the communication be blocked that whichever nerves are in charge of. 
 
Here’s just a thought of mine to try to stimulate the nerves to work or to mend, right or wrong, I truly have no idea, I' m not an expert or a doctor. But I do know there's no harm to give it a try and wishing it might actually help.
 
Even a healthy person, if he or she don't use one part of their body function, it'll eventually give up on you, for example walking, talking and so forth.

Hide coffee beans in a bag and ask him to smell and identify it, but without saying the answer out load, ask him again that if he agree those are coffee beans then have him use his mind to command his right leg to move, any kind of movement, if he is not agree then move his left leg. After that one more question, ask him that if he has ever drunk coffee before, if the answer is yes then move his left leg, if not then do the other way around.
 
The work & reaction in between of the brain and body parts, train the conscious activities from the mind.