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| - High Intensity Interval Training is a training method used to bring about increases in cardio-respiratory performance in shorter sessions of higher intensity. The concept revolves around alternating bouts of light-to-moderate intensity with bouts of high intensity. A typical HIIT session will include warm-up, several short, maximum or near-maximum intensity bursts punctuated by lower-intensity recovery increments, followed by a cool-down. HIIT sessions normally range between 12 and 15 minutes, but can last upwards of 20 minutes.
- High-intensity interval training (HIIT) is an exercise strategy that is intended to improve performance with short training sessions. A HIIT session involves a warmup period, several short, maximum-intensity efforts separated by moderate recovery intervals, and a cooldown period. The period of alternating effort and recovery intervals typically lasts a total of 15 minutes.
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| abstract
| - High Intensity Interval Training is a training method used to bring about increases in cardio-respiratory performance in shorter sessions of higher intensity. The concept revolves around alternating bouts of light-to-moderate intensity with bouts of high intensity. A typical HIIT session will include warm-up, several short, maximum or near-maximum intensity bursts punctuated by lower-intensity recovery increments, followed by a cool-down. HIIT sessions normally range between 12 and 15 minutes, but can last upwards of 20 minutes. Some research claims that High-Intensity Interval Training is more effective for fat-burning or maintaining/building muscle mass than high-volume, lower intensity aerobic workouts[1]. Whatever the case may be, HIIT should not be considered as being limited to aerobics. There are a couple HIIT resistance protocols (circuit training, for example) and resistance training is by definition a short interval form of HIIT. EPOC is believed to be the means by which HIIT works [2].
- High-intensity interval training (HIIT) is an exercise strategy that is intended to improve performance with short training sessions. A HIIT session involves a warmup period, several short, maximum-intensity efforts separated by moderate recovery intervals, and a cooldown period. The period of alternating effort and recovery intervals typically lasts a total of 15 minutes. Studies by Tabata, Tremblay and others have shown this method to be more effective at burning fat and maintaining, or building, muscle mass than high-volume, lower intensity aerobic work-outs. According to a study by King , HIIT increases the resting metabolic rate (RMR) for the following 24 hours due to excess post-exercise oxygen consumption, and may improve maximal oxygen consumption (VO2 max) more effectively than doing only traditional, long aerobic workouts. Long aerobic workouts have been promoted as the best method to reduce fat, as fatty acid utilization usually occurs after at least 30 minutes of training. HIIT is somewhat counter intuitive in this regard, but has nonetheless been shown to burn fat more effectively. There may be a number of factors that contribute to this, including an increase in RMR, and possibly other physiological effects.
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