Vet Rehab Online Learning on Instagram: "Mm. brachiocephalicus: 3 muscles in 1! Brachiocephalicus is spoken about often, because it’s one of the first muscles to become painful in a dog that is shifting weight forward and bracing their bodies against pain. This can happen in so many different conditions!! The Brachiocephapic muscle is actually made up of 3 muscles, and they all originate at the clavicular intersection. This is a little tendonous spot inside the brachiocaphalic muscle, right wher