A pound of fat represents about 3500 calories, whereas even a vigorous workout only burns a few hundred. So any fat burn of just a few ounces is going to be far outstripped by water weight changes. And it takes time (almost certainly more than an hour) for your hydration levels to settle back down after a workout - for the sweat to evaoporate, for your body to absorbed what you drink, and to process and carry away waste products through urination.
In any event, energy for your workout tends to come from stored glycogen, rather than fat. The fat burn tends to come as your body meets the lower demands for energy during the rest of the day, and to replace the glycogen stores your burned earlier.
So there is little point in weighing in after a workout. I agree with the suggestion that it is better to weigh in first thing in the morning, as it more likely that your body will be in the same condition each time.
Fitness Minutes: (114,440)
274 10/12/11 2:00 P
I never weigh after I workout because I tend to drink a lot of water, before, during and after a workout, so naturally I weigh more. But I find that even if I don't drink a lot, I still weigh more after a workout. So, I just avoid that altogether.
Fitness Minutes: (112,042)
46,222 10/12/11 1:58 P
Your weight is not a static number, therefore, anything from your workout, hydration, diet and hormones can lead to a shift on the scale. Most people lose weight during a workout due to the loss of water via sweating. If you weigh more, you must be careful that you are not overhydrating during your activity.
The best time to weigh is first thing in the morning after you visit the bathroom. Unless you are working on your sweat rate, I would not be too concerned with weighing yourself before or after your workouts, it won't be the best time to do so.
This morning I weighed myself after I worked out...pure cardio from Insanity...I was wondering if after an intense work out does your body hold more water? Should I wait an hour or so after I work out to weigh in? Maybe weighing in before my work out would be best. Just curious if it is normal to weigh more after a work out.
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