WATCH: "It's So Difficult to Even Walk" - The Toll An Olympic Medal Took On The O'Donovans

The most famous brothers in Ireland - the O'Donovans from Cork are being celebrated in every post office, front room and street corner right now, but behind the scenes of jubilation and whooping in Rio comes a video clip which details the blood sweat and tears that goes into taking home a silver medal.

It can be so easy to brush past the months and years of training that it takes to become overnight Olympic heroes - here for all to see is the toll it takes on the body. What a pair of legends.

Winning medals takes its toll #rterio2016 https://t.co/ETBPEFJaBu

— RTÉ Sport (@RTEsport) August 12, 2016