He was educated locally at Johnstown national school where his interest in hurling first began.
Later, Henderson and his two brothers, Pat and John, would form the backbone of the Kilkenny team of the 1970s and early 1980s.
By 1972, Henderson was a member of the Kilkenny minor hurling team that won the All-Ireland title.
In 1983, Henderson captured another quartet of National League, Leinster, All-Ireland[1] and All-Star honours.
In spite of this, Henderson won a fourth National League in 1986, before adding a fifth Leinster title in 1987.