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The standard of women lying flat on their back originated in the early 19th century in the US, and was recommended by male obstetricians on the basis of claims that the position was both more convenient for attending medical staff and that women would be more comfortable lying on their backs.
Spinal posture is the position of the spine in the human body. It is debated what the optimal spinal posture is, [ 1 ] and whether poor spinal posture causes lower back pain . [ 2 ] Good spinal posture may help develop balance, strength and flexibility .
There are several synonyms that refer to human positioning, often used interchangeably, but having specific nuances of meaning. [1] Position is a general term for a configuration of the human body. Posture means an intentionally or habitually assumed position. Pose implies an artistic, aesthetic, athletic, or spiritual intention of the position.
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Camptocormia comes from two Greek words, meaning "to bend" (κάμπτω, kamptō) and "trunk" (κόρμος, kormos), and was coined by Alexandre-Achille Souques and B. Rosanoff-Saloff. [3] These two men also created the definition of the disease that is widely accepted today. [2]
Lumbar hyperlordosis is a condition that occurs when the lumbar region (lower back) experiences stress or extra weight and becomes arched more than normal, sometimes leading to muscle pain or spasms. It is a common postural position in which the natural curve of the lumbar region of the back is slightly or dramatically accentuated.
A horse with significant swayback. Usually called "swayback", soft back, or low back, an excessive downward bend in the back is an undesirable conformation trait. Swayback is caused in part from a loss of muscle tone in both the back and abdominal muscles, plus a weakening and stretching of the ligaments.
The legs are stretched out straight and lifted; the arms are stretched straight back, palms down, and lifted; the head is lifted and the gaze is directed straight ahead. [5] It is a back bend, or spine stretch, utilizing the strength of the upper and middle back to lift the weight of the legs as high as possible from a starting position while ...