![]() ![]() What is more, they won´t get used in their entire functions. However, this also decreases the stress on the peronei, which means that they become weaker and are poorly supplied with blood. The splint severely restricts the mobility of the ankle in supination and pronation and thus protects the injured ligaments. If such an injury is very severe, the ankle joint is immobilized for a few weeks, for example with an aircast splint. In point 4.1, we talked about “trauma caused by a twist”. In addition, the maximum resilience of a muscle decreases rapidly during immobilization, and weak muscles are more susceptible to trigger points than “well-trained” ones. ![]() If a muscle is held in one position for longer periods of time, this leads to reduced blood circulation, increased muscle tension and, in the end, to trigger points. If this tension lasts for a long time, it can also overload the muscles and lead to an activation of trigger points.Ĥ.2 Activation of trigger points due to prolonged immobilization and weakness This “reflex contraction” leads to something I would like to call protective tension. in the opposite direction of the “twist”. They move the lateral edge of the foot upwards outwards, i.e. Remember the function of these three muscles. If you twist your ankle and injure yourself in the process, your peronei will always contract reflexively in order to protect the injured ligaments from getting even more stretched. These sudden stretches often lead to the activation of trigger points.īut this is only the acute, immediate mechanism. They are always stretched to the extreme in a supination trauma. These injuries range from overstretching to ruptures.Ĭoncerning the peroneus longus and brevis, the severity of the injury plays a subordinate role. In the case of a supination trauma, colloquially also known as a twisted ankle, the lateral ligaments of the ankle are injured. 4.1 Origin of trigger points due to sprained ankle or supination trauma ![]()
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