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pocon1 · 07-31-2004, 10:14 AM

Harry has it absolutely right.

Lets pretend a 60% hr long cardio session burns 400 calories an hour. Say that you do 1 hour. Pretend that 160 of those calories comes from fat.

Now say you do 40 minutes of cardio at 85% of your heart rate. You burn 900 calories an hour, so 40 minutes equals 600 calories. of those, only 150 comes from fat.

So in the end, the shorter, higher intensity session burned more calories and was more efficient, but it burned fewer fat calories.

But for weight loss purposes, the most important factor is to eat fewer calories than you burn off.

HIIT can be ok, but if you are really looking for weight loss and not concerned about cardio, then you have to get in the grind and increase your volume of cardio. Maybe do 1 or 2 days a week of hiit and several days of longer sessions.

07-31-2004, 10:14 AM	#20 (permalink)
pocon1 Banned	Harry has it absolutely right. Lets pretend a 60% hr long cardio session burns 400 calories an hour. Say that you do 1 hour. Pretend that 160 of those calories comes from fat. Now say you do 40 minutes of cardio at 85% of your heart rate. You burn 900 calories an hour, so 40 minutes equals 600 calories. of those, only 150 comes from fat. So in the end, the shorter, higher intensity session burned more calories and was more efficient, but it burned fewer fat calories. But for weight loss purposes, the most important factor is to eat fewer calories than you burn off. HIIT can be ok, but if you are really looking for weight loss and not concerned about cardio, then you have to get in the grind and increase your volume of cardio. Maybe do 1 or 2 days a week of hiit and several days of longer sessions.