article_snippet.sent: Alissa Sizemore, from Vernal, UtahVernal, UtahUtah, was only seven-years-old when a truck ran over her foot and immediately severed her foot.
article_snippet.sent: Scroll down for video .
article_snippet.sent: Unstoppable girl: The eight-year-old lifted Unstoppable girl while balancing on one leg for Unstoppable girl routine, which was set to Colbie Caillat's hit Try .
article_snippet.sent: Last May, Alissa was playing outside with Alissa sister Cyley, 10, and some of Alissa friends when Alissa ran past a few garbage cans that were pulled to the curb just as a truck was breaking to a stop.
article_snippet.sent: Alissa's right foot was pinned underneath the tire.
article_snippet.sent: Alissa was immediately flown to Vernal to Primary Children's Medical Center in Salt Lake City, but doctors were unable to save Alissa leg.
highlights_snippet.sent: Alissa Sizemore, from Vernal, Utah, was only seven-years-old when her right leg had to be amputated below the knee after her was hit by a truck .
  