PASSIVACTIVE TECHNIQUE IN MYOFASCIAL DETACHMENT: LOWER LIMBS

Adhesions, collagen, fascia

A brief mention of the chemical-physical properties of the fascia and its components to better focus on what myofascial adhesions are and why they need to be unglued-released with the passive technique.

The cells of the connective bands are found dispersed in a gelatinous substance called MEC, extracellular matrix. ECM consists of a fibrous protein portion included in an aqueous gel of polysaccharides. The fibrous part consists of collagen fibers, reticular fibers and elastic fibers. Collagen and reticular fibers are essentially made up of collagen molecules, but they differ from each other for a different molecular structure; the elastic fibers are instead made up of two protein chains of different nature: fibrillin and elastin.

"Due to these characteristics, the connective tissue can also be divided into fibrillar connective tissue, elastic connective tissue and reticular connective tissue, with the common function of support and protection: it constitutes the base on which the various epithelia rest and contributes to the defense of the organism" against external shocks and trauma "-da TIB Sport Massage Pantry.

Collagen fibers, for which we will see only the properties inherent in this work, have the function of mechanical support for those parts of our body most subject to strong internal and external stresses. In fact, collagen is found in the form of fibers of various thicknesses, such as ligaments and tendons, strong structures that can withstand considerable dynamic and static loads. These tenacious fibrous bundles of collagen, given the scarce and irregular fibrillar orientation along the line of development of muscle strength, still possess a certain degree of extensibility but certainly lower than the comparison with muscle fibers. elasticity and resistance but almost exclusively in the sense of the force expressed in the movement phases - bidirectional muscle stretching contraction - that is, along the direction of the orientation of the fibers and their muscle bundles. Instead the collagen fibers of the connective tissue - the fascia - have decidedly less strength and elasticity, however they can guarantee a protective elastic mechanical function acting in a three-dimensional way, in any sense the force is developed-applied, both by the muscle - internal force - and by that absorbed as for example during an impact - external force - So by examining the collagen fibers of the fascia, from the point mechanically to cope with important traumatic or repeated events over time such as impacts, torsions, crushing and various constrictions, they tend to modify their viscoelastic property almost permanently, to adapt to these anomalous forces that act on the fascia making it overcome the structural deformation limit.

To contain the possible damage caused to the fascia, the collagen fibers are arranged in a much more disordered way, making it difficult to return to the initial physiological state, that is the inability to reorganize into more ordered fibrillar bundles. Some studies have confirmed that the connective fascia holds in memory the trauma causing in that point, as a sort of protection, a modification in its mobility both elastic and sliding: it is the adhesions that limit the degree of freedom of the muscle-joint movement during the gesture or sporting activity. deep or important, they are areas of non-physiological contact where the traction tensions of the adjacent tissues are concentrated and over time also the forces expressed by the consequent postural adaptation. For further information on the fascia I recommend the "excellent work of Dr. Giovanni Chetta". connective system ".

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