Your Arms, Only Better Get strong, sexy arms in just 20 minutes with this workout! This routine works your biceps and triceps with spider curls, an incline triceps extension, Zottman curls and a cross body triceps extension. Try it today! March 9, 2013 The Oxygen Team Facebook Icon Twitter Icon Email Icon Heading out the door? Read this article on the new Outside+ app available now on iOS devices for members! Download the app.