I had to go out for a few weeks due to work-related (but unprovable) hernia surgery, and was told I should be back in 4 weeks, even though the doctor said 6-8 weeks. When I got back, after quite a long time NOT picking up heavy objects, my awesome supervisor put me on grinding detail and expected me to lift 30-40lbs of ground meat into a hopper that was shoulder height. I took a smaller container to the back to make the lifting fit within my medical restrictions (8-10 lbs max for 90 days), at which point my supervisor declared I was lazy and too slow to be in his department. He even called the other meat clerks into the cooler to see how I was "milking" my surgery.
The following week he put me on midafternoon shifts the entire week, meaning I was responsible for the mid-afternoon grind AND the 5 oclock rush grind. He insisted to management that (even though I had, at that point, over 10 years meat experience) I was not "meat shoppe material" and he wanted employees who weren't lazy and would do what he told them the way that he told them. These comments were made in front of me!