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Whatever your athletic need PowerCranks probably has something to offer to help you become better than you could otherwise achieve.

Check out a related article looking at running economy and how a few weeks training with PowerCranks might address many of these issues.

PowerCranks offer a 90 day moneyback guarantee such that you have plenty of time to check them out for yourself to see if they are worth the investment.

"Practice makes perfect" except when you practice imperfectly

Tips on maximizing your running economy

Greg Crowther

This is an article written for a magazine and publshed on the web that is well referenced with scientific studies. Here is an interesting excerpt: "An interesting follow-up study on stride length was conducted by Morgan et al. (Journal of Applied Physiology 77: 245-51, 1994). They examined 45 recreational runners and, like Cavanagh & Williams, found that most demonstrated a near-optimal stride length for the speed at which they were tested. However, nine of the runners were diagnosed as overstriders and were subsequently trained to reduce their strides to a more optimal length. After three weeks of training, these nine showed significant improvements in running economy relative to a control group."

Read the entire article here