I am 44 female and have a very physical job and lift around 900-1200 packges a shift weighing up to 150 pounds and I walk up an average of 6-8 steps with each package. Anyway, since the winter, I have experienced joint pain in my elbows, shoulders, knees, and collar bone. I have been taken neprelan, lodine and skelaxin but nothing helps, Not even liquid aleve. I don't know what to do and lately I have been getting muscle spasms in my left chest but they are like flutters and do not hurt.