IN MEMPHIS TN...I injured my back on the job at a drug store type chain store...on 1-9-06. I went to doctor...had MRI which was all approved and paid for by insurance carrier for workman comp. then my manager started changing work schedule to much more difficult area, not within my job title which I have held for almost two years. I begged in writing for change back to regular work area and provided doctors excuse and restriction to light duty. I was scheduled for an outpatient procedure on neck...it was painful and I begged once again for a change back to reg work area. I had medical procedure on wednesday last week, went to work thursday and presented note requesting change back to reg work area, I even stated that the pain was extreme and I felt I could not be held responsible for my actions should anything happen...but i was forced to work difficult area. Pain was intense, but I finished shift. On Friday, I reported for work....it was very busy and I started having extreme pain from surgery two days before on neck. the manager on duty told me to go home, which I did. The store manager then fired me for "walking out" on job. is this actionable??????