One of the biggest things the Get You In Shape Boot Camp implements into its program is Interval Training. Everyone keeps talking about Interval Training and the benefits of it. So today we will take a look at Interval Training
Interval Training Programs Help Maximize Fitness and Weight Loss Results.
Vary Your Training Intensity to Boost Your Performance
Interval training has been the basis for athletic training routines for years. The first forms of interval training, called “fartlek” involved alternating short, fast bursts of intensive exercise with slow, easy activity. Fartlek was casual, unstructured training that perfectly fit it’s English translation: “speed play.”
The interval programs of today have become highly sophisticated methods of structured training for athletic performance enhancement. Physiologists and trainers have designed interval programs that are specifically suited to individual athletes. These sessions include precisely measured intervals that match the athlete’s sport, event and current level of conditioning. Often the appropriate intensity and duration of the intervals is determined by the results of anaerobic threshold testing (AT) that includes measuring the blood-lactate of an athlete during intense exercise.
How Interval Training Works
Interval training works both the aerobic and the anaerobic system. During the high intensity effort, the anaerobic system uses the energy stored in the muscles (glycogen) for short bursts of activity. Anaerobic metabolism works without oxygen. The by-product is lactic acid, which is related to the burning sensation felt in the muscles during high intensity efforts. During the high intensity interval, lactic acid builds and the athlete enters oxygen debt. During the recovery phase the heart and lungs work together to “pay back” this oxygen debt and break down the lactic acid. It is in this phase that the aerobic system is in control, using oxygen to convert stored carbohydrates into energy.
This repetitive form of training leads to the adaptation response. The body begins to build new capillaries, and is better able to take in and deliver oxygen to the working muscles. Muscles develop a higher tolerance to the build-up of lactate, and the heart muscle is strengthened. These changes result in improved performance particularly within the cardiovascular system.
Interval training also helps prevent the injuries often associated with repetitive endurance exercise, and they allow you to increase your training intensity without overtraining or burn-out. In this way, adding intervals to your workout routine is a good way to cross train.
According to the American College of Sports Medicine, more calories are burned in short, high intensity exercise. If you are counting calories burned, high intensity exercise such as intervals are better than long, slow endurance exercise, but you may pay a price.
You don’t need to be a world-class athlete and have sophisticated blood analysis to take advantage of the benefits of interval training. The standard Interval training of changing the speed and time will work for anyone. This type of interval work is based upon your subjective needs. Simply pay attention to how you feel and set your intensity and duration accordingly.
Precautions for Safe Interval Training
· Warm Up before starting intervals
· Assess current conditioning and set training goals that are within your ability
· Start slowly. (for example: walk 2 minutes/ run 2 minutes) In general, longer intervals provide better results
· Keep a steady, but challenging pace throughout the interval
· Build the number of repetitions over time
· Bring your heart rate down to about 50% during the rest interval
· To improve, increase intensity or duration, but not both at the same time
· Make any changes slowly over a period of time
· Train on a smooth, flat surface to ensure even effort
· You can also use circuit training as a form of interval training
Advanced Interval Training
You can take a more scientific approach to interval training by varying your work and recovery intervals based on your pre-determined goals. Here are the four variables you can manipulate when designing your interval training program:
· Intensity (speed) of work interval
· Duration (distance or time) of work interval
· Duration of rest or recovery interval
· Number of repetitions of each interval
It is recommended that you consult an athletic trainer, coach or personal trainer prior to designing an interval training program.
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