How to prevent a life threatening blood clot from bursting and killing you? scary that an innocuous ankle injury can kill you years later!

Good self-care: If you're going to have limited mobility in a leg, your physicians will decide whether you need some anticoagulation, based on your history, your labs, and what the injury is. The key isn't the ankle injury itself; it's that it's keeping you from using the leg. If your picture is fair to you, then you're doing the right stuff -- staying physically active with lifetime fitness. Best wishes.