Injury Prevention Solutions

What happens to the foot if we put on incorrect footwear?

Traditional footwear prevents the foot from correctly performing the functions for which it was designed by evolution, since the design of such footwear is totally different from the human foot. One foot is flat, there is no difference in height between the hindfoot and the forefoot. If we place a heel on a shoe, the natural curves of our backs are modified, the balance is altered, the center of mass is changed, the torsion force is increased on the knees and hip, the triceps sural is shortened and elasticity is lost in the tendon of Achilles.

On the other hand, the foot is wide at the front. If we wear narrow footwear, the fingers will compress and joint alignment will be lost, with the fingers forming the shape of the footwear. This causes a change in the foot supports, concentrating the greater pressure on 2nd and 3rd metatarsus (areas of greater risk of stress fracture).The foot is flexible and has a natural arch. If we place a rigid sole the movement of flexion of the fingers is limited, and with it the locomotion. And if the shoe also has arch support, the muscles associated with the arch will be lost.

The foot has more than 30,000 nerve endings. Covering these ends with a thick, padded sole cancels out the ability of the foot to pick up the tactile signals emitted by the ground, which interferes with proprioception. In addition, joint stiffness increases and footprints are more damaging.

In addition, the foot is a lightweight structure. Despite possessing 25% of the bones of the body, it only weighs 4% of the total weight. If we place heavy footwear interferes with its movement and loses efficiency, increase oxygen consumption by 0.7-1% x 100 g. of the weight of the footwear.

Lastly, when using the current cushioned footwear we are more likely to suffer ankle sprains.

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