Some anatomy speedies.
The notes at the top is more or less a reminder for myself about what I need to focus on.
The placement of the clavicle(collarbone) in certain angles is sometimes a little trouble to me when I’m drawing. And since the collarbone is important to keep an eye on when it comes to the arms and such, it never hurts to do some extra observations of it.
Also, the peculiar shape of the back/neck that appears when you lean forward and such… need to focus more on as well.
Refs from Ahrum Stock.