Search results
Results from the WOW.Com Content Network
Orthostatic intolerance occurs in humans because standing upright is a fundamental stressor, so requires rapid and effective circulatory and neurologic compensations to maintain blood pressure, cerebral blood flow, and consciousness. When a human stands, about 750 ml of thoracic blood are abruptly translocated downward.
Certain diseases and alcohol or drug intoxication can interfere with this reflex, causing dizziness and disequilibration, an inability to stand upright. A field sobriety test used by police to test drivers for the influence of alcohol or drugs, tests this reflex for impairment. Some simple examples include balancing brooms or meter sticks by hand.
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
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.
As an example of a spinal reflex, it results in a fast response that involves an afferent signal into the spinal cord and an efferent signal out to the muscle. The stretch reflex can be a monosynaptic reflex which provides automatic regulation of skeletal muscle length, whereby the signal entering the spinal cord arises from a change in muscle ...
The Cossack Drag or Death Drag. Trick riding by Mr. Price in the 18th Century Roman riding Stunt riding at the King of the Ranges competition day, Murrurundi, NSW. Trick riding refers to the act of performing stunts while horseback riding, such as the rider standing upright on the back of a galloping horse, using a specially designed saddle with a reinforced steel horn, and specialized kossak ...
The first stance is the double leg stance. The participant is instructed to stand on a firm surface with feet side by side with hands on hips and eyes closed. The second stance is the single leg stance. In this stance the participant is instructed to stand on their non-dominant foot on a firm surface with hands on hips and eyes closed.
Some menhirs stand next to buildings that have an early or current religious significance. One example is the South Zeal Menhir in Devon, which formed the basis for a 12th-century monastery built by lay monks. The monastery later became the Oxenham Arms hotel, at South Zeal, and the standing stone remains in place in the snug bar at the hotel ...