After Rob Summers was paralyzed below the chest in a car accident in 2006, his doctors told him he would never stand again. They were wrong.

After three years of unsuccessful physical therapy, doctors implanted an electrical stimulator onto his spinal cord to try waking up his damaged nervous system. Within days, Summers, 25, stood without help. Months later, he wiggled his toes, moved his knees, ankles and hips, and was able to take a few steps on a treadmill.

(READ the AP story in MSNBC)