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.
On the back of the body, the trunk muscles are built in layers, and as a group they help stabilise the trunk and protect to the spinal cord. They hold the body upright while extending and rotating the neck and trunk.The many muscles throughout the back are named because of the actions they performâ¦ like the Erector Spinae for spinal extension and rotators for spinal rotation.hey hold the body upright while extending and rotating the neck and trunk. The many muscles throughout the back are named because of the actions they performâ¦ like the Erector Spinae for spinal extension and rotators for spinal rotation.