I seem to recall, in my teenaged years, buggering up my calves by running up & down the hallway at my parents' house because it was too cold & wet to run outside!
Yes. As my son would say "Gold!".
I used to have an award each year in the old squad newsletter for the most creative injuries of the year. Amongst the better ones were the person who sprained an ankle tripping over a roll of ankle tape on their loungeroom floor, and the one who strained a hamstring at the "race the dinosaur" exhibit at Questacon.
I will pay the ankle tape incident as particularly worthy of note.