Injury update: Just about a year ago, I started having some weird tightness and aches in the arch of my right foot. I took a few weeks off and had a bone scan – and was radioactive for a day, which was fun – that didn’t show any fractures or serious inflammation. The doctor (from a local sports med clinic) thought it was just overuse from three months of forefoot running. She advocated ice and stretching. Unfortun…