Yes, of course, if the collective identity of the group is such that it seeks to challenge the legitimacy of the correctional system itself. In Texas, for example, the pre-service and in-service âgang/STG trainingâ includes information about a group called the âSelf Defense Family (SDF)â.
Click to read more below. The trapezius is one of the major muscles of the back and is responsible for moving, rotating, and stabilizing the scapula (shoulder blade) and extending the head at the neck. It is a wide, flat, superficial muscle that covers most of the upper back and the posterior of the neck.Like most other muscles, there are two trapezius muscles â a left and a right trapezius â that are symmetrical and meet at the vertebral column.he trapezius is one of the major muscles of the back and is responsible for moving, rotating, and stabilizing the scapula (shoulder blade) and extending the head at the neck.
The muscles of the back can be divided into three groups â superficial, intermediate and intrinsic: 1  Superficial â associated with movements of the shoulder. 2  Intermediate â associated with movements of the thoracic cage. 3  Deep â associated with movements of the vertebral column.he muscles on each side form a trapezoid shape. It is the most superficial of all the back muscles. 1  Attachments: Originates the skull, spinous processes of C7-T12 and the ligamentum nuchae. 2  The fibres attach to the clavicle, acromion and the scapula spine.