Torn muscle fiber in lower calf - now pain in upper calf

Hey everyone, maybe someone experienced it before and can help out.

On Thursday, I tore my muscle fiber in my lower right calf. I am on crutches now, and the spot where I tore it, no longer hurts. Now, my upper calf really hurts, feeling like I strained something or like there is pressure on it. No idea why and how. Could it be a reaction to not using my leg correctly since I am on crutches? Thank you!!

Moritz from Vienna, Austria