PWA Sara Willis demonstrates the proper way to do the dumbbell tricep extension in our latest "how to" video! Find us online and on social media at: www.1ststepprowellness.com, Google+ and Facebook: 1st Step Pro Wellness, Twitter: @1stStepWellness, and Instagram: @1stStepProWellness. Give this video a thumbs up, share it, and comment below!