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Standing, also referred to as orthostasis, is a position in which the body is held in an upright (orthostatic) position and supported only by the feet. Although seemingly static, the body rocks slightly back and forth from the ankle in the sagittal plane , which bisects the body into right and left sides.
Standing with folded arms; Standing contrapposto, with most of the weight on one foot so that its shoulders and arms twist off-axis from the hips and legs in the axial plane; Standing at attention, upright with an assertive and correct posture: "chin up, chest out, shoulders back, stomach in", arms at the side, heels together, toes apart
Most bipedal animals move with their backs close to horizontal, using a long tail to balance the weight of their bodies. The primate version of bipedalism is unusual because the back is close to upright (completely upright in humans), and the tail may be absent entirely. Many primates can stand upright on their hind legs without any support.
[1] [2] The positions of the limbs (and the arms in particular) have important implications for directional terms in those appendages. The penis in the anatomical position is described in its erect position and therefore lies against the abdomen, hence the dorsal surface of the penis is actually anterior when the penis is flaccid.
The position of at attention, or standing at attention, is a military posture which involves the following general postures: [1]. Standing upright with an assertive and correct posture: famously "chin up, chest out, shoulders back, stomach in".
For example, consider the stretch reflex, in which stretch across a muscle is detected by a sensory receptor (e.g., muscle spindle, chordotonal neurons), which activates a motor neuron to induce muscle contraction and oppose the stretch. During locomotion, sensory neurons can reverse their activity when stretched, to promote rather than oppose ...
They frequently use squatting, standing, kneeling and all fours positions, often in a sequence. [2] They are referred to as upright birth positions. [3] Understanding the physical effects of each birthing position on the mother and baby is important. However, the psychological effects are crucial as well.
A similar sport, "Indian hand wrestling", attested from the early 20th century and commonly ascribed Native American origins, was conducted standing upright. Both "Indian arm wrestling" (or simply "arm wrestling") and "Indian hand wrestling" were popular among Boy Scouts and other American youth in the early to mid 20th century.
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