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In medicine and occupations concerned with physical fitness, the concept of good posture is referred to as "neutral spine". [7] In this context, proper posture or "neutral spine", is the proper alignment of the body between postural extremes. Deviations from neutral alignment are identified as excessive curvature or reduction in curvature.
Flatback syndrome is a problem that develops in some patients treated with Harrington rod instrumentation, where the rod extends down into lower part of the lumbar spine. Because the Harrington cannot follow the natural lordosis of the lower back (i.e. the backwaist curve), the spine is straightened out into an unnatural position. At first, the ...
These factors make the lumbar spine of most primates less flexible and far less likely to deviate than those of humans. While this may explicitly relate only to lumbar scolioses, small imbalances in the lumbar spine could precipitate thoracic problems as well. [119] Scoliosis may be a byproduct of strong selection for bipedalism.
IMAX theaters work with curved screens because the screen is actually large enough to curve around the audience, making everybody somewhat within the curve, creating a panoramic depth to the ...
Lordosis is historically defined as an abnormal inward curvature of the lumbar spine. [1] [2] However, the terms lordosis and lordotic are also used to refer to the normal inward curvature of the lumbar and cervical regions of the human spine. [3] [4] Similarly, kyphosis historically refers to abnormal convex curvature of the spine
4. Fit Different Workouts Into Your Day. Speaking of snacks — try exercise “snacks,” or short bursts of exercise. Your holiday schedule might be jam-packed, but you can still exercise during ...
Editor’s note: Before beginning any new exercise program, consult your doctor.Stop immediately if you experience pain. As you head into the gym, you likely already have a workout plan in mind ...
This chart shows the most common display resolutions, with the color of each resolution type indicating the display ratio (e.g., red indicates a 4:3 ratio).