Generally speaking, abbreviations such as sched. or SKDs. (SKDs capitalized is mostly within military/governmental usage) will not appear in prose or similarly written texts. They are reserved for titles, headlines, shorthand notes, or other areas where space is a concern.
The pectoral girdle is an imcomplete ring because it is open in the back between what? The KGB Agent answer: The pectoral girdle is an incomplete ring because it is open in the back between the scapulae.
As it has no posterior attachment, it has a big range of motion. Bones of the Pectoral Girdle. Scapula: The scapula, also known as the shoulder blade, is the bone which connects the humerus (bone of the upper arm) with the clavicle. The scapula forms the posterior part of the shoulder girdle in humans.