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Mary Nathalie E. Antonio posted an update in the group
MT30-Histology Art AB 4 years, 1 month ago Numerous articles in recent years have established the importance of fascia in proprioception and pain, although the actual structure of fasciae is still unknown. Many studies have looked at elastic fibers in arteries, ligaments, lungs, epidermis, and dermis. Still, only two have looked at fascia, and they didn’t differentiate between superficial (in the subcutaneous tissue) and deep/muscular fasciae. The researchers wanted to compare the percentage of elastic fibers in the superficial and deep fascia. This research article, finally, suggests that, because it is widely known that the number of elastic fibers in the epidermis and dermis decreases with age, the superficial fascia may probably be affected by a progressive loss of elastic fibers over time. To fully comprehend this characteristic, more research will be required.
Elastic Fibres in the subcutaneous tissue: Is there a difference between superficial and muscular fascia? A cadaver study – PubMedIn the light of these findings is evident that the superficial (in the subcutaneous tissue) and deep fasciae have different elasticity. This difference may improve grading of fascial dysfunction in dermatological diseases as burns, scars and lymphedema to better plan treatments.-
According to the study, the fascia of the thigh are well-defined, layered structures, with a highly significant differential in elastic fibers in superficial and deep fasciae for all four regions. The superficial fascia emerged as a fibroelastic layer amid the subcutaneous fat tissue, primarily composed of elastic fibers. Superficial veins and nerves, the great saphenous vein, are enveloped by this layer, which separates at some spots. It lost its fibrous structure at the back and was filled with fat tissue, giving it a honeycomb appearance. The deep/muscular fascia, on the other hand, is accompanied by a lack of elastic fibers, which are primarily in the loose connective tissue between the fiber bundles. As a result, it’s clear that the superficial and deep fasciae have quite different mechanical properties and possibly serve separate purposes.-
The findings are congruent with the results of the other two prior investigations on the deep fascia, which found that they were far less abundant than collagenous fibers. Furthermore, it confirmed the sublayer organization of collagen fibers in the deep fascia. Based on this microscopic anatomy of the deep fascia, we can affirm that many elastic fibers are present in the loose connective tissue between two adjacent fibrous layers and in the thin layer that defines the deep fascia’s borders.
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Inside loose connective tissue, the elastic component permits the fibrous layers to move about and return to their original place. They act as a link between multiple layers and sublayers, allowing them to be moved, stretched, and returned to their original site. This organization is most likely responsible for the elastic capacity of deep fasciae and the mixing of their flexible capacity and force transmission. The fibrous component transmits stresses, while the loose connective tissue and elastic part allow the deep fascia to adapt and return to its original place, releasing elastic energy as plyometric energy.
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Although more research is needed, the importance of elastic fibers in the fasciae of the thigh is clear from these findings. The superficial fascia has more of them than the deep fascia. Elastin elements impact the biomechanical qualities of fascial tissues, not only because of their extensibility but also because of their distinctive three-dimensional organization inside collagen bundles, which differs between superficial and deep fascial tissues. The superficial fascia, which plays a crucial role in force transmission, is more flexible than the deep fascia, according to this study. If we wish to treat the superficial or deep fascia, we need to use a different manual method, as several physiotherapy techniques propose.
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More research is needed to understand the role of elastic fibers in the pathophysiology of various dermatological and musculoskeletal illnesses and venous return, lymphatic drainage, and other functions. Furthermore, skin tissue repair following surgery can result in a wide range of scar types, ranging from a fine line to a variety of abnormal and pathologic scars, all of which can have functional, cosmetic, and psychological consequences. Assessment is critical for tracking scar progression and treatment efficacy. For the analysis of the superficial layer, many equipment and processes have already been implemented.
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