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{"id":742,"date":"2011-12-18T19:42:50","date_gmt":"2011-12-19T00:42:50","guid":{"rendered":"http:\/\/tailwind-coaching.com\/?p=742"},"modified":"2016-12-29T20:11:11","modified_gmt":"2016-12-30T01:11:11","slug":"smoothing-your-pedal-stroke","status":"publish","type":"post","link":"https:\/\/tailwind-coaching.com\/2011\/12\/18\/smoothing-your-pedal-stroke\/","title":{"rendered":"Smoothing Your Pedal Stroke"},"content":{"rendered":"

\n\tHave you ever watched a pro cycling event like the Tour de France and marveled at how man and machine are almost one being?  Isn't it remarkable how smoothly and efficiently each rider can propel their machine forward at speeds that make us mere mortals raise our eyebrows in amazement?  Have you then compared them to some of the folks on your local group rides and seen the night and day difference?  Maybe you are one of those riders who resembles a semi truck as opposed to a Ferrari, and you want to change that.\n<\/p>\n

\n\t\"Keo<\/a>You're probably worried that "I can't change that, those guys are gifted."  Well, yes, that is true to some extent.  Those guys spend their entire lives training and racing, and the vast majority of them are genetically gifted with high VO2 max and incredible natural ability.  But you can still improve your pedaling technique, which will put you on the path to being more efficient and stronger on the road.  And it won't cost your entire training week to accomplish, either.\n<\/p>\n

\n\tSpin, don't stomp
\n<\/h3>\n

\n\tCycling is about smooth, fluid, efficient movements, and you should keep that in mind as you ride.  You should never be stomping on the pedals like you're walking up stairs (unless the terrain really is so steep that the only way to get up is to "walk" your way up.)  Concentrate on keeping your legs spinning in a smooth circle, and try to keep your cadence up around 90 RPM.  This will allow your muscles to work fluidly and keep your body burning oxygen (aerobic energy production) versus burning glycogen anaerobically.  Not only is aerobic respiration far more efficient, it is almost indefinitely sustainable (utilizing fat as the primary fuel vs using glycogen as the primary fuel.)  But how do you work on the spin?  How can you perfect that fluid movement that appears so effortless on the pro level?  First, let's understand what happens during the pedal stroke.\n<\/p>\n

\n\t\"Pedal<\/a>Dissection
\n<\/h3>\n

\n\tThe pedal stroke can be broken down into roughly four parts: Top Dead Center, power phase, Bottom Dead Center and the recovery phase.  It is important to note that different muscles activate during these different parts of the pedal stroke, and that a tradeoff happens between these muscles as the pedals are turned.  Let's break it down via the chart at left and the description below:\n<\/p>\n