+1 on recovery days especially, and working the smaller muscle groups and movements in the transverse and frontal planes.

I'd also mention that I've read several places recently that emphasizing the eccentric phase (or when possible, limiting the exertion to the eccentric phase) is important in preventing and recovering from tendinitis in the Achilles and the forearms/elbows. I haven't heard that about the tendons that attach to the hip, but I'd guess the same principles might be at work.