Proper posture starts with a good understanding of the muscles that are involved in posture. Several different muscles are responsible for maintaining upright posture, and over time, poor posture can cause these muscles to lose strength.
Air Force. A major in the Air Force typically has duties as a senior staff officer at the squadron and wing level. In flying squadrons majors are generally flight commanders or assistant directors of operations. In the mission support and maintenance groups majors may occasionally be squadron commanders.
The United States Army's primary role is to organize, train, and equip forces to conduct sustained land combat operations. Log in for more information. Added 4/10/2016 10:42:31 AM