Hi.
The searched name or symptom from Google is not appropriate to describe your problem. Flexor digitorum is a tendon and it doesn't give any specific information of your problem.
I would request you to consult with me online by taking an appointment on Practo so that I can know the detailed history and finding and give you an accurate treatment. This is important for your own good
Next Steps
Consult with me online by taking an appointment on Practo. Consultation can be by text, audio or video depending on what you are comfortable with.