My wife had her knee replaced 4 years ago and lots of trips in the TC since then and not a problem with the TC, riding horses,snowshoeing, hiking or biking and she is in her mid 50s
2011 F350 6.7L Diesel 4x4 CrewCab longbed Dually, 2019 Lance 1062, Torqlift Talons, Fast Guns, upper and lower Stable Loads, Super Hitch, 48" Super Truss, Airlift loadlifter 5000 extreme airbags