83 year old. Had rt knee replaced 2009. Climbed Kilimanjaro 2010. Had left knee replaced Dec. 2012, Camino April 2013. Camino 2014. Camino 2015. God willing Camino Portugese Sept 2016. Used pacer poles. They are a must for me. If you think it can be done, it can. If you think it can't...