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Frequently Asked Questions

Here are all the questions you may have regarding your Sidas purchases, or on the functioning of your foot.

Your foot has its own particular morphology (size, volume and shape). Foot types are commonly known as either high-arched, mid-arched or flat-arched, but there are an infinite number of combinations of size, volume and shape. Each foot leaves an absolutely unique footprint. Your feet are the base of your body and play an essential role in maintaining your balance and your wellbeing.


In figures, your foot is made up of 26 bones, 16 joints, 107 ligaments and 27 muscles. In other words, a quarter of our skeleton is in our two feet.

 

 

 

 

Learn more about your feet:

 

 

What type of foot arch do I have ?

There are three types of foot arch. Depending on how much your foot arch curves, you either have flat feet (a shallow curve in your foot arch), hollow feet (a deep curve in your foot arch) or normal feet (a medium curve in your foot arch).

The footprint test or wet test is an easy way to find out what type of foot arch you have.


1. Fill a bowl with water and place a sheet of paper beside it. It is preferable to use dark-coloured paper.
2. Stand in the bowl of water and then step out of it and put your feet on the dry sheet of paper.
3. Then look at the footprints you have left on the paper.


If a print of practically all of the foot appears, with almost no curve on the inside where your foot arch is, then you have a shallow foot arch and your feet are flat.
However, if there is a big curve between the forefoot and heel, your foot arches are very deep.
If your footprint is between these two, your foot arches are medium.

 

 

 

Does my type of foot arch have consequences for my body ?

 

Excessive pronation is one of the commonest problems. This causes the foot to rotate towards the inside. It can be revealed by pronounced wear on the inside edge of the heel of your shoe. This poor positioning causes your heel bone, leg, shin bone and hip to turn inwards. This makes your pelvis tilt forward. The direct consequences of this are plantar fasciitis, pain in the heel, problems with your Achilles tendon, pain in the knee or bursitis in your hip.

 

Hypersupination occurs when the foot does not move inwards enough when walking or running. In this outward-rotating position, the foot is not able to absorb all the shocks, and this has several consequences. Periostitis, plantar fasciitis, a sprained ankle, a fractured heel and metatarsal pain are the different injuries linked to hypersupination.

 

 

 

Do I need insoles ?

 

Three-dimensional insoles provide comfort and an extremely good fit inside your shoes. Depending on the type of foot arch you have, insoles can adapt to your shape and feet, thereby considerably reducing the harmful consequences that poor positioning of your feet can have. Insoles are beneficial for orthotic wearers and foot pain sufferers.


However, you don't need to have poor foot position to feel the benefit of 3-dimensional insoles. They can prevent future poor positioning and different injuries. It is strongly recommended that you use 3-dimensional insoles if you suffer from aching feet, back ache, sore ankles, sore knees or aching in your hips or lumbar region.

 

 

Does my type of foot arch have consequences for my body ?

 

Excessive pronation is one of the commonest problems. This causes the foot to rotate towards the inside. It can be revealed by pronounced wear on the inside edge of the heel of your shoe. This poor positioning causes your heel bone, leg, shin bone and hip to turn inwards. This makes your pelvis tilt forward. The direct consequences of this are plantar fasciitis, pain in the heel, problems with your Achilles tendon, pain in the knee or bursitis in your hip.

 

Hypersupination occurs when the foot does not move inwards enough when walking or running. In this outward-rotating position, the foot is not able to absorb all the shocks, and this has several consequences. Periostitis, plantar fasciitis, a sprained ankle, a fractured heel and metatarsal pain are the different injuries linked to hypersupination.

 

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Did you know ?

 

 

Four out of five people suffer from poor foot position

 

A number of research studies have shown that more than 75% of individuals suffer from poor foot position, resulting in abnormal tension in the fascias and soft tissues. If this tension is not prevented it adversely affects the tissue and can cause osteoarthritis and pain, and it can also affect your general posture.

 

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Do insoles reduce the risk of injury ?

 

Insoles play a part in preventing and reducing some injuries. Studies have shown that the cushioning elements and foot supports present in preformed and personalised insoles may reduce excess pronation by 10% and may prevent certain stress injuries.