Source: eschergirlsOKAY. ARTISTS! LISTEN UP! You see that curve you keep drawing that attaches her leg to her waist? That curve you love to draw so much? That is her hip. It is a ball and socket joint. It rotates. If the leg is not straight down, the hip should not be either! Thank you for your time. :)
(click on the dislocated hips tag to find more examples)