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Anonymous at Mon, 29 Apr 2024 05:31:37 UTC No. 16151219
Are stairmasters and treadmills a meme?
If the centre of mass doesn't move, you're just moving your legs right?
I mean, ig it's better than nothing but to do actual work you have to move your body
And yes, I've made this thread like 2 years ago. Didn't get any answers then
Anonymous at Mon, 29 Apr 2024 09:31:12 UTC No. 16151434
>>16151219
Move your body, ground stays still. Move ground, your body stays still. Makes no difference.
Anonymous at Mon, 29 Apr 2024 09:38:09 UTC No. 16151442
Not at all. Compare to walking up a downwards escalator. It takes as much energy as walking up some regular stairs, the fact that you end up not actually moving doesn't change that.
Anonymous at Mon, 29 Apr 2024 09:59:12 UTC No. 16151460
>>16151219
you do Work but not against gravity. I think that the Work you do is against the internal friction of your muscles
Anonymous at Mon, 29 Apr 2024 10:16:20 UTC No. 16151477
>>16151460
stairmaster has hydraulic pistons and you do work to force viscous flow
as for treadmills, galilean relativity answered that. Just change to the rubber surface frame of reference
Anonymous at Tue, 30 Apr 2024 00:44:23 UTC No. 16152492
>>16151434
Yeah but there is no actual movement in the upper body. I get that internal frictions are a thing and air resistance is a thing and the heart does beat faster and all of that junk but I'm having a hard time coming to terms with the idea that doing x distance on a y slope on real stairs is the same as doing x distance on y slope on a stairmaster, at least mathematically
https://youtu.be/bcuoMCCY1qw
Someone should do a test with this equipment. Measuring calories should be a foolproof way right
>>16151477
A moving frame of reference is a different thing to a stationary one no?
Anonymous at Tue, 30 Apr 2024 05:10:45 UTC No. 16152684
>walking is work
just how obese are you?
Anonymous at Tue, 30 Apr 2024 06:00:34 UTC No. 16152766
>>16151434
you're not moving the ground, the motor of the stair master is. Also when you walk up stairs, your center of mass is moving meters in the air.
Anonymous at Tue, 30 Apr 2024 08:43:06 UTC No. 16152924
>>16152492
>no actual movement in the upper body
there is none when walking up stairs normally either. it is the exact same
Anonymous at Tue, 30 Apr 2024 09:15:41 UTC No. 16152944
>>16151219
they should generate electricity not use it
Anonymous at Tue, 30 Apr 2024 09:26:29 UTC No. 16152955
>>16152924
I mean, the body gains height (work done against gravity) and distance (against friction) as opposed to being stationary
Anonymous at Tue, 30 Apr 2024 10:35:50 UTC No. 16153007
go do it for 5 hours and find out if it's just your legs that get sore
Anonymous at Tue, 30 Apr 2024 15:22:11 UTC No. 16153259
>>16151219
> If the centre of mass doesn't move
It does