By Sang H. Kim | Ultimate Flexibility for Martial Arts
Stretch every time you exercise. The only way to improve your flexibility is through consistent stretching exercises. Every muscle is subject to the myotatic reflex (stretch reflex) which opposes changes in muscle length, especially sudden or extreme changes. When a muscle lengthens beyond a certain point, the myotatic reflex causes it to tighten and attempt to shorten. This is the tension you feel during stretching exercises.
The myotatic reflex is desirable because it prevents, in many cases, muscle strains and tears. Without it your muscles would be allowed to overextend and tear easily. But it is also undesirable in cases where it prevents you from fully using your body.
Through stretching, deconditioning of the myotatic reflex takes place. Little by little, you teach your muscles a new limit of safe extension. This is why stretching must be slow and consistent. If you overstretch and injure the muscle, you have to go back to a lower level of flexibility and start over. Set your stretching goals over a period of weeks or months, not days, for best results.
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