On April 15, 2013, Roseann Sdoia, 45, headed out to Boylston Street to cheer on friends who were running in the Boston Marathon. Within 10 to 15 minutes of arriving near the finish line, a bomb went off. Seconds later, in a panicked attempt to reach safety, she stepped on a backpack that contained a second explosive, and her life would change forever. (Read her harrowing account of the 2013 Boston Marathon bombing here.)

Now an above-the-knee amputee, Sdoia continues on the long road to recovery. She has persevered through months of physical therapy to learn to walk with a 10-pound prosthetic leg, and she supplements therapy with workouts under the guidance of trainer Justin Medeiros of West Newton Boston Sports Club. With the help of Medeiros she has strengthened her core and upper body so she can better maneuver with the prosthetic, and she also works toward her ultimate goal of running again.

In this video, Sdoia reflects on her life before and after last year's bombing, and she gives us an up-close look at her rehabilitation process.

Special thanks to Roseann Sdoia for sharing her incredible story with our readers, and also to Boston Sports Club, Joshua Touster Photography, and the Who Says I Can't Foundation for their cooperation in the production of this video.