He needs a oil massage which strengthens his muscles and help him to get a strength.
Next Steps
Give Ashwagandharista 10ml twice a day after food.
Mahavatavidhwansa ras 1-0-1 after food
Ekangaveera ras 1-0-1 after food
Health Tips
You only try to make him to do exercise at a sitting position only to loose the muscle rigidity..
For any query you can consult online. Thank you