Pain in the inner leg, what can it be?

Dr, I lived a sedentary life for 2 years. Last year I trained for a physical examination and I began to feel pain in the inner part of the leg (cinnamon area). I started training again and the pain persists. What can it be? Is there a cure? (obs: I only felt this pain last year, before that I always played sports and never felt it).
Expert answer:

You must have some type of muscle or tendon injury (breakage or something like that), you need to look for an Orthopaedist who will probably request an exam.

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