During a clapper attack on Happy Jack Harvest Camp, Risa was left paralyzed from the waist down and unable to walk. This went on for months until Risa was given an unwound part of a spine that allowed her to walk again.

Is Risa unwound?

Risa is a piano playing orphan, or in other words, a ward of the state. Hence her last name, Ward. Her life is affected by fate so much that it seems like everything that happens to her is out of her control. First she's ordered unwound due to overcrowding in the state homes (StaHos).

What happens to Risa at the end of unwind?

Risa escapes unwinding by ending up with a spinal cord injury so bad she can't walk. And Connor escapes unwinding by finding a fake ID and managing to pass himself off as an older guard.