Exercise involving 2 partners where the first person lies in a plank with arms locked out and the second person planks on top of the first. Plank on plank action.
Crystyle the Warrior Trainer: Get a partner! Mount up! If anyone drops, we are doing it all over again!
by whoknew! May 05, 2014

by ken/eutechnyx April 26, 2008

by The Sneaky Shafter November 27, 2009
