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".
• Arms fixed at the side, thumb or middle finger parallel to trouser or skirt seam, depending on military drill specifics.
• "Eyes front": head and eyes locked in a fixed forward posture. Ideally eyes unmoving fixated on a distant object. Blank facial expression.
• Keeping the heels together, toes apart
• No speech, facial or bodily movements except when as required by military drill.