Amy Van Dyken — Peddling a Stationary Bike … ON HER OWN!

U.S. Olympic hero Amy Van Dyken is once again making huge progress — she’s went from walking with the help of automatic legs … to peddling a stationary bike all on her own.

The gold medal winning swimmer was unable to go her legs after severing her spinal cord in an ATV accident in Arizona back in June. In October, doctors equipped her with an…