Filed under: Endurance
You’ve probably seen those colorful charts on exercise machines at the gym, showing your ideal heart rate zone for optimal fat burn. Is this “zone” the best way to burn fat?
The concept of the “fat-burning zone” might not be entirely true. Many people assume that in order to burn fat, they must keep their heart rate within the defined range. This can be misleading for a few reasons. First, people’s heart rates are very different, making it difficult to generalize recommendations from a fixed chart. Second, your body burns two main sources of energy during exercise: fats and carbohydrates. (Protein is an energy source, but it’s only used in very small amounts.) For any given heart rate, your body will burn both carbohydrates and fats; however, the proportion of each will vary. Low-intensity exercises (lower heart rate) with a longer duration (30 minutes or more) mostly rely on fat for energy. So, there’s a zone in which a higher proportion of fat is being used for energy, but that doesn’t necessarily mean more fat is being burned. Your body actually gets most of its energy from fat during rest. In theory, your ultimate “fat-burning zone” is in your living room: you lying on your couch, binge-watching your favorite new series.
So, how do you burn more fat? High-intensity exercises actually burn the most fat due to the higher overall energy (caloric) expenditure. Interval training is a great way to boost the intensity of your workout, and you get that “afterburn” effect. Fitness level also is a factor. Fitter people’s bodies tend to utilize more fats than carbohydrates.
If you’re training for endurance activities, the “fat-burning zone” on the exercise machines might be the “right zone” for you. To burn even more fat, you ultimately need to burn more overall calories. High-intensity workouts are a challenging and efficient way to help reach your goal.
Another basic component of Physical Fitness (PFT) and Physical Readiness Tests (PRT) training involves muscular strength and endurance, but as with aerobic conditioning, you need to develop it over time, not just before your fitness tests. Whether you’re training or in the field, and even when you’re not thinking about it—such as moving ammunition boxes into a transport—your muscular strength and endurance are essential components of your overall fitness.
But training to improve muscular strength is not the same as training for muscular endurance. Muscular strength is the amount of force that a muscle can produce with a single maximum effort. Muscular endurance is the ability to sustain a muscle contraction over a period of time, or to repeatedly contract a muscle over a period of time.
Learn how to use the FITT principle to develop a muscular fitness routine that will build both strength and endurance to prepare for PFT/PRT and beyond. Read more...
Music can have a huge effect on your performance and mood during exercise. Without realizing it, most people push themselves harder or move faster during exercise when listening to fast-tempo music, which increases heart rate as well as speed, endurance, and in some cases the rate of perceived exertion. Exercisers also feel an improved sense of well-being when working out to music.
So why is it you prefer certain songs when you’re exercising? One explanation suggests that a part of your brain tries to match the movement of your body to the beat of the music. In fact, scientists have found that when you listen to music with about 125–140 beats per minute, both your heartbeat and your movements synchronize to work at the most energy-efficient, optimal level for exercise. In essence, the music works with your brain to coordinate your bodily functions and optimize your workout.
The best workout songs seem to share certain characteristics:
- 125–140 beats per minute during exercise, but slower for warm-ups, cool-downs, and some endurance-type exercises
- A motivational or upbeat message
- Familiar tunes or a preferred style of music
- A tempo that matches the rhythm of your exercise
Ask your buddies about their workout playlists too. They might have something totally different to offer—a new beat to stay fit with. So turn on, tune in, and train!
For more tips on how to optimize your workout, explore HPRC’s Physical Fitness domain.
Training for a marathon or some other endurance event? Building your endurance—by making the right nutrition choices—can make the difference between failure and success. HPRC’s performance nutrition strategies—“Going the distance”—provide the information you need to know what and when to eat for endurance.