Word: sacrum
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Dates: during 1930-1939
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...best, least fatiguing posture and movement those unit masses of flesh and bone, she reasons, should counter-balance so that the body's centre of gravity lies in the sacrum (base of the spine). When the human animal stands properly erect, an imaginary line should cut the nose, chin, breastbone and crotch. Another imaginary line should drop from the mastoid, in front of the shoulder joint, through the elbow and little finger (palm turned to the rear), side of knee and ankle. This is achieved by standing with feet together, shoulders held back, abdomen tucked in, buttocks clenched...