Question # II-A
What is anaerobic threshold (AT)?
In simple terms, your AT is the heart rate at which you shift from a conversational to a non-conversational speed (from being able to talk to having trouble talking). In medical terms, it is the heart rate at which lactic acid (a by-product formed when you are not taking in enough oxygen to properly break down the sugars in your body during exercise) starts to accumulate in your muscle stream. When this happens, your muscles can hurt and you feel tired.
More Questions About:
II. Interval Workouts
II. Interval Workout Questions:
(Remember, weight loss is a balance between exercise and nutrition. Be sure to read all of the questions and answers in this and other sections to understand how these two work together, and how you can take control of your weight loss goals.)
- II-A: What is anaerobic threshold (AT)?
- II-B: Why it is important to exercise based on my AT?
- II-C: Should I stay consistent with the Workout Schedules' mix of the 2-, 3-, and 4-minute intervals, or can I pick my favorite one and stick to that?
- II-D: Can I do more than three intervals a week?
- II-E: Some days I hit AT and can sustain it. Other days, I barely reach it. Why is this? How long do I need to maintain the target heart rate for it to "count" as an interval workout day?
- II-F: Some days I hit AT but, during recovery, I slow way down or stop altogether. How low can my heart rate drop during the recoveries?
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- II-G: If I can't hit my highest Interval (AT +5, for example), should I stop and try again another day, or go ahead with the workout, at a lower AT?
- II-H: What kind of exercise is optimal to do on my off-interval days?
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