Hi, I am 30 year old 5.10 ft 80kg healthy male. My blood test 2 weeks back CBC, Uric acid , Vit D, B12, salts, creatinine etc are normal. I have been weight training for many years, but since past few months the next day and the day after my exercise I feel intense pain and muscle fatigue in the muscle group I have exercised. Please help me identify my problem and its solution. thanks