Start in a push up position, lift one hand up and reach it towards the sky. This should put you into a straight arm side plank. Bring the arm back down and repeat with the other side.
Kyle Wood created Bootcamp Ideas in 2010 when he was hunting around on the internet for workout ideas. He ran a successful bootcamp in Victoria, Australia and spends his spare time managing this site, adventuring (or lazying) with his wife and find new ways to make bootcamps even better.