Sir my age 29 years ...2 years back suddenly I feel arm weakness in both of my arms...I consulted nuerologist two times he has done all blood test ECG 2d echo electrolyte cpk levels and vitamind and calcium and reports normal..but still am having arms weakness ...and recently I had muscle cramps and in lega and thigh and calf muscles and legs weakness also and now also I have done all tests all cpk and all tests normal...please suggest me whom to consult and what to do...am not able to lift any weights getting muscle pains ...8 years back I have suffered from anxiety and depression that time I used antidepressants 5 months but now no any problems... please suggest me what could be problem