Summa's new machine helps victims of strokes, knee injuries regain solid footing through exercise. A year ago, Al Given never dreamed he would be standing in front of a giant computer monitor, shifting his feet rapidly to "extinguish" a virtual target. But the 70-year-old retired Barberton welder had a major stroke in February and has spent many months in outpatient therapy at Summa Health System's White Pond Center. For the past several weeks, one of Given's exercises has been to step back and forth, right and left, in front of a Cybex Trazer machine. More information...