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 extrinsic muscles. Superficial extrinsic muscles connect your upper extremities to the trunk, and they form the V-shaped musculature associated with the middle and upper back. They include the trapezius, latissimus dorsi, levator scapulae, and the rhomboids.he muscles in all of the layers are innervated by the posterior rami of spinal nerves: Injuries of the intrinsic back muscles often occur while using improper lifting technique. You can protect the back muscles by bending from the hip and knee when you lift objects from the ground.