Experts warn runners and joggers

2011-04-18 08:25

New York - Regular, easy running for fitness can be a boon to health and wellbeing, but experts say for safety, joggers especially must keep a spring in their step and an eye on how that foot falls.

Lee Saxby, a running coach who has worked with many an injured weekend runners at his clinic in the West Hampstead section of London, said: "Look out of the window and you'll see joggers with a slow and sticky rhythm, poor posture and that heavy heel strike into the pavement."

Saxby, author of a new ebook Proprioception: Making Sense of Barefoot Running, said the three most important aspects of healthy running, whether fast or slow, were good posture, a bouncing, elastic rhythm and a forefoot landing.

"Human beings will naturally walk, sprint or run.

"Walking is a heel strike and running is a forefoot strike."

Jogging is not a slow run. Jogging is actually a different biomechanical behaviour...a hybrid between a walk and a run.

Distance runners never land on their heels."

What's often lost in jogging in heavily cushioned shoes, according to Saxby, is proprioception: the body's awareness of posture, movement and balance.

"There's a natural pattern that's good for you and an unnatural pattern that's bad for you," he explained.

Dr Mark Cucuzzella, associate professor of family medicine at West Virginia University and a competitive runner for 30 years, said while human beings walk in a heel-to-toe pattern, running was really a series of short hops.

"So if you land on your fore and mid-foot you use the recoil aspect of the foot, which is designed to return energy," he said.

"The benefits of a daily walk or jog are enormous, but we need to teach people good mechanics, which is not landing hard on the heel."

As an orthopaedic surgeon specialising in sports medicine at Tufts Medical Centre in Boston, Massachusetts, Dr Elizabeth Matzkin sees a lot of jogging injuries, from runner's knee to shin splints to stress fractures.

Yet Matzkin, a spokesperson for the American Academy of Orthopaedic Surgeons, thinks jogging is one of the safer ways to stay fit, as long as you approach it thoughtfully and build up gradually.

"The 10% rule goes for beginners and established runners alike," she said.

"You shouldn't increase your mileage, or your time, more than 10% per week."

She suggests wearing a stabilising shoe.

"A lot of injuries are from patients who throw on an old pair of running shoes," she said.

"If you're going to jog regularly you need a good stability, cushioning shoe for shock absorption."

Matzking said shoes should be replaced every 483km or so because studies have shown they lose about 60% of their shock absorption.

  • Andries - 2012-01-10 08:24

    "Replace every 483 kilometers." Not 480, or 500, or 477. Replace at 483 km! Sounds a little silly to me

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