Standing is a human position

Human position

Human positions refers to the different positions that the human body can take.There are several synonyms that refer to the human position, often used interchangeably, but having specific flavors....

 in which the body is held upright and supported only by the feet, referred to as an orthostatic state.

Although quiet standing appears to be static, modern instrumentation shows it to be a process of rocking from the ankle

Ankle

The ankle joint is formed where the foot and the leg meet. The ankle, or talocrural joint, is a synovial hinge joint that connects the distal ends of the tibia and fibula in the lower limb with the proximal end of the talus bone in the foot...

 in the sagittal plane. The sway of quiet standing is often likened to the motion of an inverted pendulum

Inverted pendulum

An inverted pendulum is a pendulum which has its mass above its pivot point. It is often implemented with the pivot point mounted on a cart that can move horizontally and may be called a cart and pole...

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Standing at attention is a military standing posture, as is stand at ease, but these terms are also used in military-style organisations and in some professions which involve standing, such as modeling

Model (person)

A model , sometimes called a mannequin, is a person who is employed to display, advertise and promote commercial products or to serve as a subject of works of art....

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