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.
Summary. 1  The abdominal muscles support the trunk, allow movement and hold organs in place by regulating internal abdominal pressure. 2  The deep abdominal muscles, together with muscles in the back, make up your 'core' muscles and help keep your body stable and balanced, and protects your spine. Causes of abdominal muscle strains include overstretching, overuse or a violent, poorly performed movement of the trunk.