Hello Doctor, I have some health issue without able to find what exact issue, when i touch my biceps , under ties, under arm  muscle I feel something inner muscle layer cut like , I have muscle tone reduced and weight got reduced even I am in diet control avoid white rice , diebetic started hba1c 6.3 , fasting 100 and post 180 , I consult nephrologist did test mostly no issue but urine firmy and no protine loss, kidney is fine and suggest to check romatologist he did some ANA TEST AND FEW TEST IT WAS NORMAL ,refer neurologist ,but issue is in under muscle if I touch I can feel it on those area so my muscle tone is not stable its like drain something from body muscle , its similar like inner muscle something its cut like . Please suggest what test cane be done