Try some hydrogen peroxide to prevent infection and definitely if you get a couple days off move as little as possible, have someone that cares about you take care of the moving around for you. Usually polysporin works for most types of cuts, scrapes, but you have to be sure it's either just a messy cut or scrape, versus an actual burn. I'm not sure if polysporin is for burns, it very well maybe. They also have a triple action, and pain relief version and most of them can be bought in generic. You might try the hydrogen peroxide for one day unassisted to get rid of the messy part but again stay off it, bandage it as well.
Hi it need to be dry so try not to move alot ....aloe is the best planet for burns just apply it over the burn it will help to heal fast and recover ...good luck
amos, it sounds like this wound is infected.
Do you have a minute clinic/walk in emergency room you can go see? It's common for exercise equipment to have bacteria all over it.
The fact that you have a high pain threshold and your entire leg is throbbing is very concerning.
I hope you seek help soon.