Head & Neck Muscle Innervation Made Easy

Yes, I know, what a catchy title! Trust me this post says what it does on the tin. I came across these rules when I was a medical student (the days when using a tablet meant chiselling into stone) from Robert Whitaker's book Instant Anatomy, a superb book which I thoroughly recommend. Essentially the innervation of the muscles of the head & neck can be broadly covered by six rules;