neplos
A few days ago, I didn't do anything, but suddenly the muscles at the back of my thigh are tight. I didn't overexert myself during exercise. I didn't sleep poorly either. I'm living my usual routine, but suddenly the back of my right thigh is very tight. It seems to be getting better because the pain is less than the first day. Why on earth am I in pain?ㅠㅠ
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