Sigma® Total Knee System
Personal stories

Personal stories
“What I Learned About Resiliency and Life From Climbing Mount Kilimanjaro”
A trek to the summit of Kili doesn’t just push your physical limits. Just ask Jack Groppel, who made the pilgrimage to the top with his son—and two artificial knees. He reflects on what everyone can take away from his experience as we get ready to ring in a new year.