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  1. Dr Kalla's Avatar

    Spinal Biomechanics and Thoracic Idiopathic Scoliosis

    by
    Dr Kalla
    on 06-22-2009 at 02:38 AM (FixScoliosis.com)
    It is well known that the human spine has coupled motion when it rotates. Now, what do I mean by that?

    When the human spine rotates it also bends sideways at the same time, and that phenomenon is called coupled motion. What happens in the normal spine is that, when we bend our lumbar spine to the right it also rotates counter clockwise, causing it to stay in the right position i.e the spinous processes pointing to the concavity of the lumbar spine. Interestingly, the opposite occurs ...
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    Science Talking , Spinal Corrective Care
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  2. Dr Kalla's Avatar

    Understanding Scoliosis in 3D

    by
    Dr Kalla
    on 04-20-2009 at 01:26 AM (FixScoliosis.com)
    Ancient Greeks were already confronted with the problem of Idiopathic Scoliosis back in their days almost 3000 years ago. Although there are preserved historical records of Hippocrates describing the spinal deformity and various treatment methods for it, there was no evidence of a sound and scientific understanding of the condition, and the treatment methods prescribed were based on what they knew then. Due to the complicated nature of Idiopathic scoliosis, finding any kind of treatment that is ...
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    Spinal Corrective Care
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    Dorsal Shear Loads affects rotational stability in the spine

    by
    Dr Kalla
    on 01-23-2009 at 05:44 AM (FixScoliosis.com)
    The human spine is mainly loaded with axial compression when we sit, stand, walk and even more so when we carry something heavy. This axial compression subject part of our spine to dorsal shear forces, more specifically the vertebras that are tilted backwards in the lower and middle parts of our chest. This clearly indicates that dorsal shear loads are naturally present in the human spine but what is more interesting to know is the effect that these loads have on the rotational stability.
    ...
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    Science Talking , Spinal Corrective Care
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    Dorsal Shear Forces and Idiopathic Scoliosis

    by
    Dr Kalla
    on 01-20-2009 at 04:37 AM (FixScoliosis.com)

    Depending on the orientation
    of the vertebrae, shear forces can
    act (A) forward or (B) backward
    In humans the individual vertebrae in the lower and middle thoracic spine lean backwards when they are upright. These vertebrae/bones are therefore subjected to ‘dorsal shear forces’ [13]. It means that when the vertical spine is loaded with gravitational forces, the individual ...
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    Science Talking , Spinal Corrective Care
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    The Human Spine and Idiopathic Scoliosis

    by
    Dr Kalla
    on 01-18-2009 at 04:33 AM (FixScoliosis.com)

    Illustrating erect human posture
    versus slight forward leaning posture
    in apes.
    Idiopathic Scoliosis is a spinal disorder that only affects humans and because of this unique occurence, the search for its cause/etiology has become all the more difficult. To understand better why idiopathic scoliosis is unique to us humans, we should look at the difference between the spine of ...

    Updated 06-21-2010 at 03:52 AM by Dr Kalla

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    Science Talking , Spinal Corrective Care
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