Jim Clancy who suffered a life-changing fall in 2012: “Most of us learn as babies to perambulate. We don’t ever have to think about such a basic, but complex, task again. Walking is just taken for granted.” Photograph: Donal O’Connell

Recently I walked the Sheep’s Head Way. There is nothing remarkable, you may say, about a healthy, able-bodied, middle-aged man completing a 92km tra(...)