Both men and women. Is it to do with the way they smile/pose for the camera or something? Seriously, I can almost tell someone is American by the way their neck looks in a photo
Cop phrenology
It’s where we store our excess Freedom
Because my trapezii are fuckin’ jacked. Straight yoked. I’ve been working on my sternocliedomastoid form for years with some serious cervical reps. Glad someone noticed.
Guessing football and wrestling in high school, growth hormones in their meat, and an element of obesity. These are all guesses though, not shitting on the yanks.
How many different populations have you observed this in? I’ve never observed this.