Spinecare Topics

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Spine - Health and Disease
Types of Spinal Injury

Muscle Spasm:  There are five primary classifications of abnormal muscle tone that include limbic dysfunction, trigger points, segmental spasm, reflex spasm, and muscle tightness or shortening.  Pain arising from a spinal region often triggers reflex muscle contraction the painful segment.  Persistent reflex muscle contraction can result in painful muscle cramping or spasm. 

Abnormal Muscle Firing Patterns:  Coordinated muscle contraction is required to protect spinal regions and spinal segment during movement.  Normal muscle contraction and relaxation patterns between the large back muscles and abdominal muscles also helps to provide efficient spinal movement, stabilize the spine and protect the disc as well as the spinal joints.

Double Compression Syndrome (Whole Nerve Syndrome)

Nerve fibers can be compressed or comprised at more than one location along their course from the spine into the extremities.  When a nerve is compressed at one location it becomes more susceptible to injury at other regions along it course.  A common example of a whole nerve syndrome or double crush syndrome is the presence of cervical or spinal nerve compression combined with carpal tunnel syndrome.  The presentation will lead to magnified sensory abnormalities involving hand as well as hand weakness.

A double crush syndrome results in impairment of the movement of fluid and the chemical elements along the length of the nerve cell body.  The inability of the nerve to move chemical substances from one point to another can lead to functional changes at the nerve as well as altered production of specialized nerve chemicals under released at the end of the nerve.

Cerebrospinal Fluid Block

Spinal nerve roots are bathed by cerebrospinal fluid (CSF), which provides mechanical and nutritional support.  The spinal cord and nerve root are dependent upon an adequate nutrient supply from the arterial blood supply and from the movement of (diffusion) of chemicals from the cerebrospinal fluid.  Any condition that disrupts the normal cerebrospinal fluid flow can cause or contribute to neurological compromise.  The most common causes for abnormal cerebrospinal fluid flow at the level of a spinal nerve root is disc herniation, spinal joint arthritis (facet arthrosis), and bone spurs.  A CSF block can be recognized by CT myelography and/or MR myelography.

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To learn more about your spine. spinehealth, and available spinecare go to the International Spine Assocition (ISA) at www.spineinformation.org. The primary mission of the ISA is to improve spinehealth and spinecare through education. The ISA is committed to disseminating need-to-know information throught the World Wide Web in numerous languages covering many topics related to the spine, including information about spine disorders, spine heath, advances in technology and available spinecare



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