Spinecare Topics

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Spinehealth and Disease
Spinal Dysfunction

Another potential cause of limited spinal segment movement is meniscoid entrapment. This refers to the pinching or entrapment of a small piece of fibrocartilage between the joint surfaces. This places stress onto the joint capsule an contrite to pain and muscle spasm. These meniscoids are present throughout the spinal facet joints. Certain disorders such as rheumatoid arthritis is associated with a great number of these tissue tabs which can get pinched. In rare cases the meniscoid may be dislodged outside the boundary of the bony borders of the facet joint. The facet joint are lined by a pains sensitive membrane called the synovial membrane. Certain vertebral positions especially in the presence of some loss of disc height or flexibility can lead to a great number or depth of membrane folds which can become impinged leading to restrictive pain and muscle spasm. The spinal fact joint is lined by a thick joint capsule. If the joints capsule becomes thickened due to age, degeneration, response to injury or fibrosis (adhesions) it will restrict movement of the spinal segment.

Disc pathology such as disc herniation or herniation with a free (loose) disc fragment can lead to spinal segment pain and related muscle spasms. The facet joint can also become mechanically restricted or locked due to the physical relationship between opposing joint surfaces in a particular spinal posture. A structural variance of the facet surfaces is referred to facet tropism. Asymmetry of the joint surfaces resulting reduced mechanical efficiency. The effects of gravity and muscle spasm can contribute to a locked position.

Disc degeneration can lead to spinal segment hypomobility. The loss of disc volume results in approximation of adjacent vertebrae subsequently reducing the distance between facet joint surfaces. This can lead to a loss of normal joint mobility. The pain associated with rostrocaudal subluxation can also lead to muscle spasm and further loss of spinal segment mobility.

Symptoms of Spinal Dysfunction

The spine houses the spinal cord and the nerve roots which connect the brain to the rest of the body.  Gray’s Anatomy states that “the spine controls and coordinates bodily functions.â€?  Compromise of the spinal cord and/or the nerve roots can lead to spinal complaints as well as abnormal function in more distant regions of the body.

Causes of Spinal Dysfunction

There are numerous causes for spinal dysfunction and injury.  More common conditions include poor body mechanics, spinal injury during inefficient lifting activities, prolonged sitting, prolonged poor posture, and injury.

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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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