There is a new study that says when a woman sit on a guy's hip when he is doing a chest press, his testosterone rise up to about 97.9% which promote strength and muscle grow. Ladies you know what to do!

21 year old Sarah Backman is working at Budo & Fitness in Stockholm, she won 7 times Swedish armwrestling champion, 4 times European Champion and 4 times World Champion...there are more other awards but well that's enough to make us admire her