Arms and stomach burning as you hold yourself in the plank position while looking up at the nearest clock as it creeps towards the minute and a half mark.
Now imagine doing that for well over four hours.
That is what one Beijing policeman did, as he smashed the world record for the longest time spent in an abdominal plank, holding the position for a staggering four hours and 26 minutes .... http://www.independent.co.uk
