In my work coaching runners, I spend a lot of time talking to adults about feet and shoes, and the conversation naturally drifts onto their children’s shoes. For years, we have been given advice from shoe manufacturers and retailers, coaches, friends, parents and grannies about the ‘right’ shoe for children. Invariably, especially if you are of a certain age, you would have been told that solid, supportive shoes are best. However, that advice needs to be reviewed. The human foot contains three arches, 26 bones, 33 joints, over 100 muscles, tendons and ligaments and thousands of nerve endings, and can tolerate impacts more than three times greater than your body weight. When you walk and run, it is your foot that absorbs the impact, stops you from collapsing, and pushes you forwards. As Leonardo da Vinci said ‘the human foot is a masterpiece of engineering and a work of art’. What are the differences between a young child’s foot and leg against your own? The next time you see a toddler, have a look at the shape of her feet. You’ll notice that they are almost triangular: narrow at the heel, and widest at the toes. Compare that to your own. I bet they are more diamond shaped, with the widest part across the base of your toes, narrowing in to the tips. Now think about the shape of your shoes, most shoes are widest at the base of the toes, narrowing to a point at the front. Also, watch the way small children can squat, with their bum almost resting on their heels, and stay there for as long as they like. Try to do that yourself without lifting your heels, and chances are you’ll only make it halfway down, or fall backwards. What is the significance of this? Well, most shoes these days have a heel, even kids shoes. In fact the heel in children’s shoes is, relatively speaking, much bigger than a heel in adults’ shoes. Think about it. A 2cm heel in a shoe that is only 15cm long creates a much bigger angle than in one that is 25cm. Just as if you were to wear high heels all day your calf muscles would get tight, so too will a child’s. Over-tight calf muscles stop you from being able to squat fully by reducing your ankle movement. When you have a raised heel in your shoe, it pushes your toes hard into the toe-box. If that toe-box is narrow, the toes will get squashed together. What happens to women who wear high heels all the time? Bunions. Now, did you know that the bones in your child’s feet don’t fully harden until their late teens? This means that over-tight shoes in childhood have the effect of deforming the shape of the foot from the outset. Research has shown that shoes also affect the gait of children. With shoes, children walk faster by taking longer steps with greater ankle and knee movement, and less foot movement. When running, shoes encourage children to land on their heels and spend more time on the ground on each stride. Whilst not showing a definite cause, Harvard University research has shown that runners who land on their heels have twice the injury rate of runners who land on their forefoot. A review of children’s shoes and gait, published in the journal Pediatrics outlined the following factors: optimum foot development happens while barefoot; stiff and compressive footwear may cause deformity, weakness and loss of mobility in the foot; the term ‘corrective shoes’ is a misnomer, and; shoe selection for children should be based on a barefoot model. According to Dr Irene Davis PhD of Harvard University, writing in the American Medical Athletic Association Journal in 2011, ‘when individuals remove their shoes and go barefoot, or run with shoes without any arch or rear-foot support, their feet become stronger’. What does all this mean for parents when looking for shoes? Well, the roomier, flatter and more flexible, the better. Essentially, the closer the shoe is to not wearing shoes at all, the less it will affect your child’s foot development. Better still, around the house and when the weather is good enough, let them go barefoot: their feet will get stronger and they’ll love it!
Andrew O’Brien is a chartered physiotherapist and the owner of Wannarun Physiotherapy and Running Clinic at Westport Leisure Park. He can be contacted on 083 1593200 or at www.wannarun.ie.
This post originally appeared in The Mayo News on 14 April 2015 (http://www.mayonews.ie/living/nurturing/21779-health-bare-naked-truth-about-shoes-for-kids )