The relationship between the bones of the shoulder joint and the pelvis is often difficult to appreciate from a flat picture- these 3D animations should make it easier to see.
By BodyParts3D is made by DBCLS (Polygondata is from BodyParts3D) [CC BY-SA 2.1 jp (http://creativecommons.org/licenses/by-sa/2.1/jp/deed.en)], via Wikimedia Commons
By OpenStax College [CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
By LadyofHats Mariana Ruiz Villarreal
[Public domain], via Wikimedia Commons