: Increase Anaerobic Energy Levels I am trying to increase the amount of sprinting and cutting that I can do consecutively without getting burned out. I recently started a tough workout program/plan that has me doing jumps

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What you're looking to do is increase your Anaerobic threshold

Here's how it works. When you're in your aerobic range, your muscles are effectively burning oxygen and food energy. As the intensity increases, your body burns more energy and oxygen increasing your breathing rate and heart rate.

As you approach your anaerobic threshold you max out your body's ability to meet the energy needs through oxygen based metabolism alone (ie, your oxygen consumption maxes out and plateaus). From that point on you are reaching into the anaerobic range, or your blood is beginning to become saturated with lactate because your body is no longer able to process the amount being produced fast enough.

What you'll notice is, if you take a break and let your heart rate drop down to about the 140bpm range after a short hard sprint you'll feel completely refreshed (well, your muscles may feel tired from the strain). That's because your body had enough time and oxygen available to process the lactate in your blood and bring it back down to normal levels. That's also why it's important to properly cool down after anaerobic exercises (unless you like feeling sore the next day).

The key here is increasing your anaerobic threshold, or your body's ability to process the greater quantities of lactate being produced as you increase your workout intensity. To do this is simple, just increase the intensity more and more over time.

To sustain the intensity, just be sure to include low intensity periods where your body will have the chance to bring the lactate levels back down.

By the numbers you posted, it sounds like you're doing great already. Just be sure to include enough rest time between workouts to fully recover. Take a look at "The Importance of Rest Days". Increasing the amount that you workout may be detrimental to your progress. Especially since recovery periods are even more important after anaerobic exercise.

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Creatine supplements can improve your ability to perform brief, intermittant, high intensity exercises. This is specifically useful in weight training and sprint training. By taking creatine supplements you increase your muscles stores of Phosphocreatine (PCr), which is used in the ATP/PC energy pathway (utilized for short bursts of intense activity < 10s). By increasing the stores of PCr you can extend the performance of the ATP/PC system and shorten it's recovery time. While you may see some better performances from the supplementation, it's primarily suited for allowing you to train longer and harder, so the specific training you do is going to be important.

If you are talking about repeated sprints that are in excess of 100m you are going to see diminishing returns from supplementation the longer you go. To make improvements in this area you are going to need to do some training that targets the Glycolytic Pathway.

If you answer the questions in my comment I can provide a more specific answer about how to train to achieve the outcome.

Update: From the sounds of it you need to build your cardio base some more. Without knowing a time frame I can't really make any suggestions. You can continue on with the workouts as you are doing them and why they aren't intended to be cardio workouts they will serve this function until you are able to maintain the effort and stress the anaerobic lactic system. If you have a lot of time it would be much more efficient to follow a periodized training plan that builds a cardio base before moving into phases that focus on lactic and alactic speed.