Yes those are 16″ arms on Ripped Vixen. And we have to agree she is one ripped vixen. Nice vascular arms and an amazing smile. A sweet heart who obviously spends a lot of time at the gym. Have you ever noticed that those girls that are personal trainers seems to be some of the happiest people on earth. Don’t let them trick you into believing the weight room is like Disneyland. But there has to be some correlation between a healthy lifestyle and happiness. Ripped Vixen makes us happy because she takes her clothes off and shows us her muscles.