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Anonymous
I know how much of your body should be body fat, but what percentage of your body should be skeletal muscle (muscle mass)?

I recently purchased a scale that also measures body fat percentage, skeletal muscle percentage, resting calories burned and BMI by using bioimpedence.

First test read me as 31% body fat and 36% skeletal muscle. I'm thinking the body fat readings are high because I had eaten a large meal an hour beforehand.

tldr version: what percentage of the human body be skeletal muscle?

Pic related. It's the scale I got.
>> koji150 !COj0ATNiLw
Skeletal muscle? I'm a little confused. All that can really be measured is body fat, and then lean mass (muscle, bones, organs, everything else basically). Healthy body fat for men is 15-20% and for women it's 20-25%.
>> Anonymous
The way it works is it measures how much water is in certain areas of your body through a tiny electric pulse. Muscle holds more water than fat, thus conducts the pulse better.
>> Anonymous
>>23432
That's way too high. The recommended amount for men is 8–14%, and for women 20-21%.
>> Anonymous
>>23452
I only weigh 210 pounds (6'0" btw), so yeah, I think that's too high.
>> Anonymous
>>23490
It's probably close if you don't work out. A lean person (low fat and low muscle) at 6' can easily be 150lbs. Not all of your fat need be stored visibly either, a fair bit can go to internal padding of organs. You're fatter than you think!
>> Guil
>>23502
Don't call me fat mother fucker!

I'm 6 foot at 145, I think I have a good mix of muscle/fat but really not much fat at all.. at least not in my arms/legs, which I wish I had some there so I wasn't stick figurish.
>> Anonymous
How much did you pay for that, OP?
>> Anonymous
>>23502
That's another thing. I've been working out since the start of January.

So I have been working out.
>> Anonymous
>>23528
$55 off Amazon.
>> Anonymous
Now it's reading me as:

210 pounds, 32% body fat, 32% muscle mass

Definitely something wrong here.
>> Anonymous
refund?
>> Anonymous
You could be dehydrated. These kind of scales rely on the amount of water in your body.

They read lower levels of water as body fat (since fat holds much less water than muscle).