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TOPIC: Do you weigh more or less after a workout?

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December 23, 2011 10:29 AM
Okay MFP Pals,
I need some help on this one. I am getting mixed answers on whether a person weighs more or less after a workout, which consists of weight lifting and cardio. I want to hear what you guys/gals think. I even googled the topic and still getting mixed answers. Can anyone help me out with this, and i need facts, not just opinions.
Thanks again,
Chika
  6798895
December 23, 2011 10:33 AM
I find that after a straight up cardio workout, I weigh less. I sweat a lot and usually it's all water weight. After I workout where I sweat less and do more weight training I usually weight more, I think it's something about your muscles retaining water to help heal them.
  4146357
December 23, 2011 10:37 AM
I have a 5-6 pound drop after cardio when i burn 800+ calories. Water weight no doubt.
  6810475
December 23, 2011 10:38 AM
more.. I drink lots of water when i work out :)..... try measuring and not weighing... The scale is a lie ;D
December 23, 2011 10:38 AM
ops ....
Edited by Galletakek On December 23, 2011 10:39 AM
December 23, 2011 11:07 AM
MORE OFF COURSE BUT U CAN WEIGH LESS AS WELL BT PROB IS THAT WHEN I EXERCISE ALL MY BODY SORES AND ALSO I DRINK AT LEAST 2 BOTTLES DURING MY WORKOUT
  13535522
December 23, 2011 11:18 AM
Me personally, I weight usually one - two pounds less after working out. I workout for 45-60 min, sweat heavily, drink lots of water. Cardio or weights (which are a fast rate circuit for me)

For my most accurate measurements, I always weigh myself first thing in the morning after voiding body wastes, unclothed.

Keep in mind the many many things that can make one appear to weight heavy, just a few are :
-water retention related to hormones,
-fluid retention in sore muscles when you have increased or changed exercises,
-water sodium related retention due to diet excess the day before (fast food, Chinese food, Free day meals that are carb or sodium heavy)
-PMS or menstruation
-Additives in some supplements (fillers in many products such as createn, drink mixes, pre workout drinks)
-certain medications that effect fluid balances
-food or liquid in your system from recent meals, drinks


So when gauging weight loss, use size of clothing or fit changes, tape measure readings, and overall weight trends over a few weeks. Not changes from one week to the next, which can be less accurate.
December 23, 2011 11:55 AM
This is the deal, it's just fluid. If you could measure the amount you sweat and add that back in and then measure the amount of water you drank and subtract it out, your weight really wouldn't have changed. Make sense?
People who don't really sweat during a workout and drink a lot of water will appear to weigh more.
People who sweat a ton and don't drink a lot will appear to weigh less.
If you take in exactly what you put out, water-wise, you will weigh the same.
  10643481
December 23, 2011 11:56 AM
doesn't necessarily matter cause it's water and the scale will go back up again within that same day, but for me w/ cardio I weigh less
  3351637
December 23, 2011 11:57 AM
Haven't got a clue...I only weigh first thing in the morning.
December 23, 2011 11:58 AM
Immediately following a work-out, I weigh less (I'm assuming it is from water weight I'm losing due to sweating). However, my weight tends to go up a few pounds the following day and for up to 4 days after a heavy workout.
  3200790
December 23, 2011 11:59 AM
I dont sweat much. No matter how hard I push myself, I just get really red faced and sweat VERY little. Like my shirt will be bone dry, but my face and neck will bead up, thats it. and I drink a lot of water. So, I tend to weigh a pound or two more. The nest day i will be down, but the initial weight is a bit higher.
December 23, 2011 12:00 PM
QUOTE:

Haven't got a clue...I only weigh first thing in the morning.


Exactly!!

Also even day to day fluctuations should be ignored you should be concerned with trends over weeks and months. If you are worried about you weight fluctuation during the day you may need to rethink your relationship with the scale
December 23, 2011 12:01 PM
mre cause of the water i drink
December 23, 2011 12:01 PM
QUOTE:

This is the deal, it's just fluid. If you could measure the amount you sweat and add that back in and then measure the amount of water you drank and subtract it out, your weight really wouldn't have changed. Make sense?
People who don't really sweat during a workout and drink a lot of water will appear to weigh more.
People who sweat a ton and don't drink a lot will appear to weigh less.
If you take in exactly what you put out, water-wise, you will weigh the same.


Very well said. A running coach I work with recommended that when I'm training and doing long runs, I occasionally weigh myself before and after workouts to ensure proper hydration--weighing significantly less after a workout might indicate that I'm not drinking enough water.
  5554304
December 23, 2011 12:02 PM
I weight more, doesn't matter if it's strength or cardio. I only weight first thing in the morning after a rest day.
December 23, 2011 12:07 PM
I've never bothered to check. I only weigh myself once or twice a week, first thing in the morning. I know fat isn't burned or gained instantly so what I weigh after a single workout or meal isn't important. Weight fluctuates so much throughout the day there's really no point in focusing that closely on it.
  2469411
December 23, 2011 12:08 PM
How can there be mixed answers? You weigh the same or less (unless you eat/drink) because your body can't spontaneously create mass.
December 23, 2011 12:16 PM
More. I drank lots of water during the work out.
  248329
December 23, 2011 12:23 PM
QUOTE:

This is the deal, it's just fluid. If you could measure the amount you sweat and add that back in and then measure the amount of water you drank and subtract it out, your weight really wouldn't have changed. Make sense?
People who don't really sweat during a workout and drink a lot of water will appear to weigh more.
People who sweat a ton and don't drink a lot will appear to weigh less.
If you take in exactly what you put out, water-wise, you will weigh the same.


Exactly, and this is why I weigh myself before and after each workout. It helps me make sure I'm drinking enough water while working out. If I don't drink any water I usually sweat off 1 - 1.5 pounds.
  9667440
December 23, 2011 12:23 PM
QUOTE:

This is the deal, it's just fluid. If you could measure the amount you sweat and add that back in and then measure the amount of water you drank and subtract it out, your weight really wouldn't have changed. Make sense?
People who don't really sweat during a workout and drink a lot of water will appear to weigh more.
People who sweat a ton and don't drink a lot will appear to weigh less.
If you take in exactly what you put out, water-wise, you will weigh the same.


Exactly, and this is why I weigh myself before and after each workout. It helps me make sure I'm drinking enough water while working out. If I don't drink any water I usually sweat off 1 - 1.5 pounds.
  9667440
December 23, 2011 12:51 PM
We have had this conversation before and so I purposely weighed myself before my step class. I went high impact the whole class drank maybe 8 ounces during the class and weighed as much as 1.5-2 pounds less. I have also done my step class and drank 24 ounces of water during and after and weighed either the same or maybe .5 less.

You know my motto..... drink your water!!
June 13, 2014 5:06 PM
Okay, if anything you would always weigh less after any type of training. For one, assuming you drink no water, you wouldn't weigh more due to water retention. You'd end the workout with the same amount of water, if not LESS, than you began. Assuming you drink water during training, you would for one sweat and two surely not drink so much water it would become measurable on the scale. So, if anything you'd weigh less after training, for a short period.
Edited by jamesrivas39 On June 13, 2014 5:08 PM
June 13, 2014 5:13 PM
less
June 13, 2014 5:16 PM
cant honestly answer I only weigh myself once a week
  4656107

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