Military brace
Encyclopedia
The military brace is a body posture, sometimes known as scapula
Scapula
In anatomy, the scapula , omo, or shoulder blade, is the bone that connects the humerus with the clavicle ....

r posterior depression
or the costoclavicular maneuver. It is a modification of standing at attention
At attention
The position of At attention, or Standing at attention is a military posture which involves the following general postures:* Standing upright with an assertive and correct posture: famously "chin up, chest out, shoulders back, stomach in"....

 that is primarily used in military schools. It is also used in the diagnosis of costoclavicular syndrome and thoracic outlet syndrome
Thoracic outlet syndrome
Thoracic outlet syndrome is a syndrome involving compression at the superior thoracic outlet involving compression of a neurovascular bundle passing between the anterior scalene and middle scalene...

.

The position is described as first standing in a relaxed posture, with the head looking forward, then depressing and retracting the shoulders as if standing at attention, extending the humerus
Humerus
The humerus is a long bone in the arm or forelimb that runs from the shoulder to the elbow....

 and abducting it 30 degree
Degree (angle)
A degree , usually denoted by ° , is a measurement of plane angle, representing 1⁄360 of a full rotation; one degree is equivalent to π/180 radians...

s, and hyperextending the neck and head. A more informal description is to lie down on the floor on one's back and try to touch the floor with the back of one's neck, which will force one's chin down; and then to attempt to imitate that position whilst standing up or sitting.

In addition to this, at The Citadel and VMI, the arms are to be tucked in to the side of one's body eliminating any space between the arms and the torso, and the shoulders are to be thrust back, with the shoulder blades as close to touching in the center of the back as possible.

VMI
Virginia Military Institute
The Virginia Military Institute , located in Lexington, Virginia, is the oldest state-supported military college and one of six senior military colleges in the United States. Unlike any other military college in the United States—and in keeping with its founding principles—all VMI students are...

 and The Citadel
The Citadel (military college)
The Citadel, The Military College of South Carolina, also known simply as The Citadel, is a state-supported, comprehensive college located in Charleston, South Carolina, USA. It is one of the six senior military colleges in the United States...

are the only military schools which still enforce bracing.
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