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What is supination resistance of the foot?

The foot is a marvel of design. Each foot has 26 bones, 100’s of ligaments, muscles and tendons. All of these components must function alongside one another in a very precise way to ensure that we are able to walk, run and perform a whole range of activities. The foot is a finely tuned biomechanical masterpiece as it needs to co-ordinate all those physiological structures so that it can function effectively and without problems to perform those actions. The foot did evolve to have those functions on a soft ground and never wearing shoes, so several imperfections probably crept in as feet was placed into footwear and was forced to walk and run on the hard concrete surfaces. Small defects that were not previously an issue began to show up in those shoes and on those hard ground. It is this that is responsible for so many of the problems that health professionals see in the foot these days.

By way of example, one of those issues is a concept known as supination resistance. This is deemed as the force that is needed to raise the arch of the foot. In the event that force is high, then the muscles and tendons need to work harder and the ligaments have much more strain on them. This can lead to pain in those structures and also the development of a progressive flat foot. If that force is higher, running and walking also requires more effort and can be very tireing. If that supination resistance force is too low, then it will likely be an easy task to raise the arch of the foot. This might result in more ankle sprains since it is really easy to tip the foot over to cause that. From this it ought to be obvious that a fine balance is needed between excessive and too low amounts of this force which is a great illustration of precisely what an engineering masterpiece the foot is and just how simple it is for something to go bad. A recently release device, Keystone has been designed to measure this.

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