"My knee is as strong as it was before, if not stronger, and it's a matter of getting my leg strong. I lost six years of strength in about six month's time, so it's going to take another year or two to get that leg back up to full strength, but I'm good to go so far"

Picabo Street is referring to her healing from a knee injury. She is saying that her knee is as strong as it was before the injury, if not stronger. She likewise acknowledges that it will take some time to restore the strength she lost in her leg due to the injury. She is confident that she will be able to return to complete strength, but it will take a year or 2. This quote reveals Picabo's decision and resilience in the face of difficulty. She is not letting her injury stop her from accomplishing her objectives and is willing to put in the hard work to return to complete strength. Her positive mindset and devotion to her recovery is inspiring.