#1

zum Schuhe ist vielseitig

in Welcome to the Forum ! Wed Sep 20, 2017 2:28 am
by yaya2017 • 159 Posts

A specialist in sports shoe design, Dr Jason Cheung explains the Nike Air Huarache Mujer five key criteria for selecting running shoes as we visit big brand shops on Mong Kok’s Fa Yuen Street, where seemingly little is done to help customers make the right choice.It is a rainy weekday afternoon in Mong Kok, and Fa Yuen Street is buzzing with shoppers.
This section, just south of Argyle Street, is popularly known as Sneaker Street. It is jammed with just about every conceivable brand, design and colour of sports shoe imaginable, attracting locals and tourists alike.The ground floor of the large glass-fronted Nike Nike Air Vapormax Mujer flagship store is swarming with customers jostling for access to the extensive display rack of the latest running shoes mounted on the far wall.Dr Jason Cheung Tak-man, a specialist in sports shoe design, watches the scrum of bodies. “People are buying running shoes but they have no idea what they are really buying – it’s all about the looks,” he says.To call Cheung a specialist is an understatement. During his PhD in foot biomechanics at Hong Kong Polytechnic University, he used a computational technique called finite element analysis to build a sophisticated 3D computational model of his own foot based on multiple MRI scans. He later worked at the University of Calgary’s Human Performance Laboratory in Canada, researching optimal support and load distribution between a person’s foot and sports shoes.“There is no such thing as the Nike Air Max 95 Femme best running shoe, only the best running shoe for you,” Cheung says, adding how easy it is to buy the wrong type and cause serious damage.Cheung is chief scientist and senior director of footwear research and development at the Innovation Centre at Xtep (China), a sports footwear brand. He has agreed to help me select a new pair of running shoes from the bewildering choice available on Sneaker Street.

Cheung explains that there are essentially five key criteria for selecting the correct running shoe: purpose (such as sprinting, track racing, jogging or alpine cross-country); typical distances run (a marathon or just running for the bus); performance level (are you a lithe Olympic prospect or middle-aged journalist jogging at the weekend?); Nike Air Max 2016 Womens surface type (smooth tarmac roads, rubber running tracks or country park trails); and the Adidas Superstar Femme Fleur physical characteristics of the user (foot, body and running style).Having explained my limited athletic ambitions, Cheung goes in search of a measuring device to obtain the dimensions of my foot, but returns empty-handed.“They don’t even have a simple Brannock size-measurement device,” he says, referring to the patented industry standard tool used to measure foot size for sports shoes. He says that obtaining a perfect 3D fit is essential, and that the length and width of the arch is as important for correct support as the length of the entire foot.“All the functional construction and design is based on supporting the foot, particularly the arch length,” Cheung says as he selects a pair of running shoes from the display rack, bends them, and Nike Air Max 90 Herren flips them over to inspect the soles.“A high-quality running shoe will last 1,000km, but most of the basic shoes [will last] maybe only 200km,” Nike Air Presto Mujer he says.He hands me two pairs of shoes that are not running shoes at all but general training shoes, presumably put in the wrong retail area by mistake.“If you tried to wear these for a marathon, it would be a disaster very quickly,” he says. He explains that the absence of cushioning and an unsuitable placement of the foot support for running means there is a good chance these shoes could cause knee damage, heel pain and shin splints.Even if a customer manages to obtain a shoe that fits correctly, suits their purpose and conditions, and conforms to his or her own physical standards, there is still the tricky issue of pronation type.

During running, pronation occurs as the foot rolls Nike Air Max 90 Femme Bleu inward and the arch of the foot flattens. Pronation is a normal part of what is known as the gait cycle. It helps to provide shock absorption in the foot and it is essential to know your pronation type Adidas Superstar Mens (under-pronating, neutral or over-pronating) before buying running shoes. Someone who over-pronates is sometimes said to have “flat feet”.Many specialist sports shoe stores offer gait analysis. Typically, this sees a customer’s running style subject to video analysis while they run for a few minutes on a treadmill. None of the stores visited on Sneaker Street offer the service and most sales staff we spoke to had never even heard of it.
Cheung explains that you can also tell a lot by looking at the soles of existing running shoes and seeing where the worn areas are distributed. Usually, an over-pronator will wear down the medial (inside) Adidas ZX 700 Herren of their shoe heel, while abrasion on the lateral (outer) side is more normal.“Biomechanics dictate that 80 per cent of us land on the lateral heel, but excessive pronation on ground contact means the foot joint is unstable,” Cheung says.

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#2

RE: zum Schuhe ist vielseitig

in Welcome to the Forum ! Fri Nov 17, 2017 6:11 am
by 20151225caihuali • 487 Posts

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