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 posterior chain is made up of muscles such as the spinal erector, glutes and hamstrings. The spinal erector muscles straighten the back and allow for side-to-side rotation. The glute muscles function to move the leg away from the midline of the body and to stabilize and rotate the hips.lute and Hamstring Focus. To focus on the glute and hamstring muscles during the back extension, the pad of the Roman chair should be below the hips, allowing them to move during the exercise.