Spinecare Topics
The Healing Spine
Ligament Repair
Ligaments are supportive tissues of the spine. Ligaments are comprised of an array of specialized strong supportive fibers. Some are more elastic or flexible than others. Ligaments can become comprised secondary to a variety of mechanisms. Trauma can cause complete tears, partial tears and small (micro) tears. Ligaments are capable of various stages of healing like other tissues although ligaments have a unique structural makeup that influences its healing properties. The properties are characterized by the specific type of ligament involved and the degree of supportive fiber damage.
Ligamentous injury evokes an inflammatory process that in turn stimulates a progressive increase in fibroblast accumulation (mobilization), proliferation and synthesis. Fibroblast proliferation contributes to the development of granulation tissue (ground substance) within the tears. The early deposition of randomly oriented collagen fibers become organized within the scar matrix. One of the factors that strongly influence the healing properties of ligaments is fibroblast cell shape, size, alignment, and the orientation to surrounding tissues and collagen fibers.
Biomechanical forces have the ability to significantly influence the properties of connective tissue repair and remodeling which ultimately influences articular (spinal) function. Chronic spinal degeneration is often associated with thickening and buckling of ligaments. This process can contribute to narrowing of spaces and canals within the spine. The newly remodeling or repaired ligament will not be as efficiently organized as it was prior to injury, nor will it regain its original strength or elastic properties. The complete healing process and the return of total ligamentous strength may take years.
Muscle Repair
Skeletal muscle healing occurs through mechanisms of regeneration and repair with scar formation. Fibrous tissue proliferation and scar formation occurs with the union of damaged muscle ends. Specialized cells help to bridge the gap of injury. Successful repair of muscle is dependent upon the regenerative process more than unionization.
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