What bone is the scapula commonly referred to as?

The scapula is commonly referred to as the shoulder blade due to its broad, flat shape and location at the back of the shoulder. This terminology is widely recognized in both anatomical contexts and everyday language, making it an intuitive term for those studying or discussing the human skeletal system. The shoulder blade plays a crucial role in shoulder mechanics and provides attachment points for various muscles involved in arm movement.

In contrast, the other choices refer to different bones or structures within the body. The pelvis is a separate anatomical structure that supports the spine and houses the reproductive organs, while the collarbone, or clavicle, connects the arm to the body and is distinct from the scapula. The wrist bone pertains to a group of bones in the wrist (carpals) that facilitate hand movement and dexterity. Each of these options represents a unique and important component of the skeletal system, but none serve as an alternate name for the scapula as effectively as "shoulder blade."