Many athletes wonder if there is a real need for running shoes, or if other types of general shoes might work just as well. The advantage of running shoes is finding a piece of footwear specifically targeted to your type of exercise. As with any sport, shoe design and function is crucial to the motion and support requirements of the particular activity being performed.
Running differs greatly from walking and other sports. Walking involves much less impact and force. Other sports may involve side-to-side motions or jumping. Runners employ a motion of great force in which the foot meets the ground on the outer portion of the heel. Each step finishes with a pronating motion where the foot rolls toward the instep.
Running shoes are built to cushion and support the unique motion of the running. They also provide traction on a variety of surfaces. A key development has been adding support and cushion to the midsole. Based on the way the foot impacts the surface, midsole cushioning is the main difference between running shoes and those designed for other sports.
Cushioning provides protection for the foot and gives the shoe stability to reduce pronation during the stride. This means preventing the foot from rolling to the inside as much as possible. Impact is another important aspect to consider. Adequate cushioning should help with impact by absorbing force comparable to a range between 2.5 and 3 times typical body weight.
The latest developments in shoe material incorporate products called polyurethane and EVA. Polyurethane is exceptionally strong and long lasting, but is a heavy material which greatly increases shoe weight. EVA is lighter and more flexible, but tends to become compressed easily. Optimal shoe design incorporates both materials in the most beneficial manner. In the best shoes, polyurethane comprises the midsole and EVA is used in the remainder of the shoe to keep it lightweight.
Prevention of injury is the result of good shoe design, cushioning and support. Logging a high number of miles per week can lead to knee, foot and back injuries without proper impact support. The high force of impact experienced during the running motion should not be underestimated.
There are many types of runners. Everyone uses a different training program. Each runner has an individual foot type, biomechanics, and overall mileage goals. Because of these differences, it is good to remember that finding the best shoe is an individual experience. In the end, each runner must combine shoe function with their own needs to find the right solution.
With so many shoe designs available, it is important for the consumer to research potential brands in their price range and determine which features are most beneficial. It is then a good idea to try various brands and models, and take time to find a comfortable fit. The overall advantage of running shoes is to provide comfort while preventing injury, ultimately leading to the best exercise experience possible.
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