What is happening in my body when there is a surge in speed?

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When you have to accelerate from a hard and sustainable pace to a pace that’s even higher, you’re going to demand energy faster than your aerobic system can deliver it. This means you’ll push above lactate threshold and rely on the glycolytic (sometimes referred to as ‘anaerobic’ or ‘lactate threshold) energy system to fill the gap and meet the increased demand. When the pace goes down again, as it usually does, you’ll need to recover from the surge while still riding at a sustainable, but still relatively high, intensity. In order to stay with the pack as the pace changes, you need to be able to tap into your lactate threshold system and then recover quickly to hold the steady pace. This is absolutely trainable through interval work that focuses on intensity just above and just below the lactate threshold. Interval work that vacillates between intensities just above and just below lactate threshold are specifically designed to improve your “aerobic agility”, or your ability to rapidly move from one intensity to another. Since the intervals alternate between intensities above and below your maximum sustainable power output and/or heart rate, they are also great for strengthening your aerobic engine. In other words, these intervals will make you stronger so you can ride at a higher power output before you reach lactate threshold, and they will also enhance your ability to handle short surges above lactate threshold.

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Types Of Exercise

Types Of Exercise

Exercise provides many health benefits - from fitness to increased physical and mental energy. In order to prepare yourself for a exercise routine, you need to research which exercise is right for you and how to fit a new exercise ...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.