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The standard anatomical position in a male and female. In standard anatomical position, the human body is standing erect and at rest. Unlike the situation in other vertebrates, the limbs are placed in positions reminiscent of the supine position imposed on cadavers during autopsy.
Gun safety rules generally specify that the trigger finger should not rest on the trigger when not firing, but alongside the trigger guard. [7] In various sign languages, rest positions may be used to convey grammatical meaning. [8] In touch typing, the home row is a rest position for the hands, placing all the standard keys within easy reach. [9]
Squatting is a posture where the weight of the body is on the feet (as with standing) but the knees and hips are bent. In contrast, sitting , involves taking the weight of the body, at least in part, on the buttocks against the ground or a horizontal object such as a chair seat .
Body mechanisms, such as vasoconstriction and valves of the veins, assist in pumping blood upwards. [5] As blood is pumped through the body, the valves within the veins prevent the blood from flowing backwards. After extensive, prolonged standing, these valves can become weak and eventually fail.
The Thinker by Auguste Rodin. Sitting is a basic action and resting position in which the body weight is supported primarily by the bony ischial tuberosities with the buttocks in contact with the ground or a horizontal surface such as a chair seat, instead of by the lower limbs as in standing, squatting or kneeling.
The leg that carries the weight of the body is known as the engaged leg, the relaxed leg is known as the free leg. [1] Usually, the engaged leg is straight, or very slightly bent, and the free leg is slightly bent. [2] Contrapposto is less emphasized than the more sinuous S-curve, and creates the illusion of past and future movement. [3]
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.
Balance in biomechanics, is an ability to maintain the line of gravity (vertical line from centre of mass) of a body within the base of support with minimal postural sway. [1] Sway is the horizontal movement of the centre of gravity even when a person is standing still.