From physiology and the anatomy of muscles and tendons, one easily appreciates the basis of microStretching®. The myofibrils consisting of myofilaments of actin and myosin proteins, are well controlled, protected, and maintained in a system of reflexes with stretch/tension sensors (mechanoreceptors), muscle spindles and Golgi tendon organs (GTO). Any overstretch of muscle is reflexly protected as the muscle goes into spasm. If this goes beyond physiologic limits, and there is damage of the myofilaments, the spasm continues with a degree of formation of fibrous tissue in the repair mechanism, as witnessed by inflammation and increases in myofibroblasts. Restoration of muscle function must be gradual and within limits of stretch and function of the muscle fibres. If not carefully controlled, further stretch damage occurs with more fibrous tissue being formed limiting movement. An important source of information for preventing further damage is provided by the muscle spindles. Composed of intrafusal fibers in parallel to extrafusal fibers, they are found within all skeletal muscles, are highly sensitive, with their density varying widely throughout the body reflecting different functional demands. When stretching occurs, the sensory neuron from the muscle spindle signals the motor neurons located within the ventral horn of the spinal cord, causing the motor neurons to fire, resulting in contraction of the muscle. This reflex arc provides negative feedback, for the muscular contraction induced by stretching works against or negates further muscle stretch, aiding in proper muscle tension or tone. Whenever there is inaction of muscle, the fibrous tissue around joints where muscle acts begin to shrink, causing freezing and a limitation of movement within that joint. microStretching® takes this into consideration so that the capsular fibres are not overstretched and damaged. In addition, it considers the circulation of blood in the affected region, for as the blood supply to the area is improved, the healing process is facilitated with function being readily restored.
microStretching® courses and website information are not meant to diagnose or offer medical advice. If you require medical advice please speak to your doctor or other health care providers. If you have an existing condition consult with your health care provider prior to attempting microStretching. Low-intensity stretching is generally accepted as safe.
microStretching® is not intended to cure or prevent disease and cannot guarantee results. microStretching ®, the faculty, instructors and entities are not responsible for any injuries that may occur outside of any courses using the technique or concepts.
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